{
  "$schema_version": "5.3",
  "review_mode": "fresh",
  "claim_restatement": {
    "index_wording": "Microplastic exposure at real-world human levels causally increases major adverse cardiovascular events.",
    "entry_form": "claim",
    "gradeable_restatement": "Microplastic exposure at real-world human levels causally increases major adverse cardiovascular events.",
    "restatement_required": true,
    "split_into": [],
    "parent_claim": null,
    "scope_qualifiers": [
      {
        "qualifier": "Measured exposure before clinical outcomes, baseline vascular disease, age, sex, route, polymer/chemical identity, particle size, internal dose and follow-up; no retrospective susceptible-responder exclusion.",
        "determinable_before_outcome": true,
        "determined_from": "Enrollment and experimental design, before results; no responder-defined scope.",
        "action": "retained"
      }
    ]
  },
  "hypothesis": {
    "name": "Microplastics and Cardiovascular Disease",
    "central_claim": "Microplastic exposure at real-world human levels causally increases major adverse cardiovascular events.",
    "proposed_mechanism": "Microplastic exposure at real-world human levels causally increases major adverse cardiovascular events.",
    "claimed_scope": "Real-world human microplastic exposure causing myocardial infarction, stroke or cardiovascular death; polymer, particle size, internal dose and baseline clinical status retained. PFAS chemicals and removal benefits are separately adjudicated companions.",
    "claimed_level": [
      "initiation",
      "progression"
    ],
    "is_conjunctive": false,
    "conjunctive_note": "The declared clinical causal proposition is represented by SC2. Target engagement, superiority, mechanism, generalization and benefit-harm companions are separately reported and do not substitute for this primary claim."
  },
  "rubric_routing": {
    "primary_rubric": "06-metabolism-aging.md",
    "secondary_rubrics": [
      "05-immunology-inflammation.md"
    ],
    "index_notes_applied": [
      "The declared clinical causal proposition is represented by SC2. Target engagement, superiority, mechanism, generalization and benefit-harm companions are separately reported and do not substitute for this primary claim."
    ],
    "rubric_fit_note": "No environmental-cardiovascular toxicology rubric ships in the frozen framework. Rubric 06 is explicitly adapted to a specified exposure changing a hard cardiovascular clinical phenotype, not organismal lifespan. Rubric 05 governs particle-specific inflammatory mediation. Detection is an analytical/descriptive finding whose existence is separated from clinical causality. Original caps, ladder and literal quoted rubric thresholds remain unchanged; PFAS chemical removal is not particle removal."
  },
  "subclaim_matrix": {
    "subclaims": [
      {
        "id": "SC1",
        "statement": "Human exposure leads to microplastic particles being detectable in cardiovascular tissues.",
        "subclaim_type": "existence",
        "scope": "Validated chemical identification and contamination controls; particles distinct from PFAS chemicals",
        "claimed_scope": "Validated chemical identification and contamination controls; particles distinct from PFAS chemicals",
        "governing_rubric": "06-metabolism-aging.md",
        "key_evidence_anchor": "Human tissue chemical-identification studies",
        "hsef_level": "Γ",
        "confidence": "Moderate",
        "governing_cap_or_threshold": "Quoted boundary and upward audit below.",
        "rationale": "Chemically identified polymers and selected microscopic corroboration support a real human internal-exposure finding in blood, cardiovascular tissue and surgical samples. However, detection does not identify the original exposure route, and some procedural or laboratory sources are directly documented. The causal exposure-to-tissue proposition remains partial-system support. This letter is not a rating of whether the particles exist or a claim that all detection is artifact.",
        "rubric_adaptation": "Assess contamination-controlled chemical identity, microscopic corroboration, procedural sources and exposure provenance; confirmed detection is descriptive and does not itself earn clinical causal crossing."
      },
      {
        "id": "SC2",
        "statement": "Real-world human microplastic exposure causally increases myocardial infarction, stroke or cardiovascular death.",
        "subclaim_type": "sufficiency",
        "scope": "Exposure measured before clinical outcome; polymer, size and dose specified; no outcome-defined susceptibility",
        "claimed_scope": "Exposure measured before clinical outcome; polymer, size and dose specified; no outcome-defined susceptibility",
        "governing_rubric": "06-metabolism-aging.md",
        "key_evidence_anchor": "Prospective cohorts and field-valid natural experiments",
        "hsef_level": "Γ",
        "confidence": "Moderate",
        "governing_cap_or_threshold": "Quoted boundary and upward audit below.",
        "rationale": "Prospective diseased-cohort associations, pathological samples and experimental animal injury together support plausible contribution. No examined causal human exposure instrument, controlled particle-removal clinical trial or sufficiently validated internal-dose bridge demonstrates the registered real-world human major-event dependency. Marfella uses all-cause death in its composite, not cardiovascular death alone. Animal plaque/cardiac injury remains causal in its experimental setting and cannot substitute for the human event claim.",
        "rubric_adaptation": "A field-valid equivalent may be a strong natural exposure experiment, valid causal instrument or controlled mitigation/removal with hard clinical outcomes and measured internal doses; an unethical deliberate human exposure RCT is not required."
      },
      {
        "id": "SC3",
        "statement": "Particle-specific vascular inflammation mediates cardiovascular harm at relevant exposures.",
        "subclaim_type": "mechanism",
        "scope": "Realistic dose, polymer and particle size; additive effects distinguished",
        "claimed_scope": "Realistic dose, polymer and particle size; additive effects distinguished",
        "governing_rubric": "05-immunology-inflammation.md",
        "key_evidence_anchor": "Mediator-specific perturbation and relevant dose comparisons",
        "hsef_level": "Γ",
        "confidence": "Moderate",
        "governing_cap_or_threshold": "Quoted boundary and upward audit below.",
        "rationale": "Endothelial, macrophage, cardiac and vascular models show multiple plausible particle-sensitive pathways; selected inhibitor or knockdown experiments narrow some experimental routes. Dose, surface chemistry, additive/metal coexposure, susceptible genotype and induced pathology determine these results. No mediator-specific human perturbation establishes particle-specific vascular inflammation as the clinical-event dependency at measured ordinary exposure.",
        "rubric_adaptation": "Apply pathway- or cell-type-resolved in-vivo perturbation to clinical vascular injury at matched realistic exposure, with particle versus additive/chemical controls."
      },
      {
        "id": "SC4",
        "statement": "Removing an established human particle burden improves cardiovascular clinical outcomes.",
        "subclaim_type": "sufficiency",
        "scope": "Quantified particle burden before intervention; objective clinical outcomes and adverse effects",
        "claimed_scope": "Quantified particle burden before intervention; objective clinical outcomes and adverse effects",
        "governing_rubric": "06-metabolism-aging.md",
        "key_evidence_anchor": "Controlled removal trials",
        "hsef_level": "Α",
        "confidence": "Moderate",
        "governing_cap_or_threshold": "Quoted boundary and upward audit below.",
        "rationale": "The examined human reduction trials manipulate soluble PFAS chemicals and report chemical-burden endpoints; they do not measure solid-particle clearance or establish cardiovascular benefit of removing particles. Observational particle cohorts do not test removal. The particle-removal clinical benefit remains Α within this bounded source set, not a proven negative or a claim that no future removal method could work.",
        "rubric_adaptation": "Require verified established particle burden and controlled intervention-sensitive clinical benefit-harm; chemical serum reduction is not a particle result."
      },
      {
        "id": "SC5",
        "statement": "PFAS chemicals causally increase major cardiovascular clinical events in humans.",
        "subclaim_type": "sufficiency",
        "scope": "Chemical-specific measured exposure before clinical outcomes; PFAS distinguished from plastic particles",
        "claimed_scope": "Chemical-specific measured exposure before clinical outcomes; PFAS distinguished from plastic particles",
        "governing_rubric": "06-metabolism-aging.md",
        "key_evidence_anchor": "Prospective cohorts and independent causal instruments",
        "hsef_level": "Β",
        "confidence": "Moderate",
        "governing_cap_or_threshold": "Quoted boundary and upward audit below.",
        "rationale": "Chemical-specific clinical-event evidence is observational: prospective coronary-disease case-control associations, residence-defined mortality and occupational estimates with differing confounding structures. Surrogate lipids and developmental imaging are not major events. In the examined corpus, no independent causal human instrument establishes the broad PFAS major-event claim. This does not adjudicate every PFAS compound, cancer, hepatic or developmental endpoint.",
        "rubric_adaptation": "Require compound-specific pre-outcome exposure and independent causal clinical instruments; geographic/occupational associations and risk-factor surrogates cannot by themselves prove broad event causality."
      },
      {
        "id": "SC6",
        "statement": "Reduction of PFAS burden improves clinical health outcomes.",
        "subclaim_type": "sufficiency",
        "scope": "Measured chemical burden and prespecified clinical benefit-harm endpoints; serum burden alone excluded",
        "claimed_scope": "Measured chemical burden and prespecified clinical benefit-harm endpoints; serum burden alone excluded",
        "governing_rubric": "06-metabolism-aging.md",
        "key_evidence_anchor": "Controlled removal trials with clinical endpoints",
        "hsef_level": "Γ",
        "confidence": "Moderate",
        "governing_cap_or_threshold": "Quoted boundary and upward audit below.",
        "rationale": "Randomized donation and randomized-sequence resin studies demonstrate lower serum concentrations of selected PFAS, with chemical-specific differential effects. This provides a genuine physiological intervention result but not clinical health improvement. The donation body reports no significant between-group improvement in several clinical laboratory panels, reduced hemoglobin after blood donation and more adverse events after plasma donation. Burden reduction alone retains the biomarker-to-health Γ ceiling.",
        "rubric_adaptation": "Count serum reduction as demonstrated kinetics, but require clinical benefit-harm endpoints for the registered health proposition."
      }
    ],
    "aggregation_rule": "primary-subclaim",
    "aggregation_preregistered": true,
    "aggregation_rationale": "The declared clinical causal proposition is represented by SC2. Target engagement, superiority, mechanism, generalization and benefit-harm companions are separately reported and do not substitute for this primary claim.",
    "primary_subclaim_id": "SC2",
    "aggregation_derivation": "The preregistered primary-subclaim rule returns Γ from the human particle-event SC2. Fifty-nine original reports include analytical studies, experimental injury, human observational outcomes and distinct PFAS kinetics/removal. Experimental plausibility and prospective association do not yet establish the exposure-specific human cardiovascular dependency. Genuine detection and genuine PFAS burden reduction are retained without converting them to demonstrated clinical harm or detox benefit.",
    "aggregation_alternatives": {
      "weakest_link_would_return": "Α",
      "primary_subclaim_would_return": "Γ",
      "scope_matched_would_return": "Γ",
      "note": "Separate narrow successes do not replace the preregistered full-scope gate."
    },
    "index_rule_deviation": ""
  },
  "competing_models": {
    "models_evaluated": [
      {
        "rank_in_tournament": 1,
        "model_id": "M1",
        "is_nominal": true,
        "name": "Particles contribute to vascular injury",
        "core_claim": "Particles directly damage or obstruct vasculature and amplify disease through inflammatory or biophysical pathways.",
        "explains_what_nominal_does_not": "Particles directly damage or obstruct vasculature and amplify disease through inflammatory or biophysical pathways.",
        "strongest_supporting_evidence": [
          "Prospective plaque/event associations and experimental injury, leakiness, clotting and obstruction make contribution plausible."
        ],
        "strongest_contradictory_evidence": [
          "Human ordinary-dose clinical necessity/sufficiency and exposure calibration remain unestablished."
        ],
        "hsef_level_for_this_model": "Γ",
        "rationale": "Prospective plaque/event associations and experimental injury, leakiness, clotting and obstruction make contribution plausible. Human ordinary-dose clinical necessity/sufficiency and exposure calibration remain unestablished."
      },
      {
        "rank_in_tournament": 2,
        "model_id": "M2",
        "is_nominal": false,
        "name": "Disease-related trapping and barrier disruption",
        "core_claim": "Pre-existing disease or procedures alter uptake, retention or measured burden, making particles partly downstream markers.",
        "explains_what_nominal_does_not": "Pre-existing disease or procedures alter uptake, retention or measured burden, making particles partly downstream markers.",
        "strongest_supporting_evidence": [
          "Barrier-damage CSF findings, surgical pre/post measurements and different diseased/healthy tissue comparisons provide directionally relevant support."
        ],
        "strongest_contradictory_evidence": [
          "They do not show all particle-event associations are explained by trapping; prospective event association remains concerning."
        ],
        "hsef_level_for_this_model": "Γ",
        "rationale": "Barrier-damage CSF findings, surgical pre/post measurements and different diseased/healthy tissue comparisons provide directionally relevant support. They do not show all particle-event associations are explained by trapping; prospective event association remains concerning."
      },
      {
        "rank_in_tournament": 3,
        "model_id": "M3",
        "is_nominal": false,
        "name": "Chemical and coexposure toxicity",
        "core_claim": "Adsorbed metals, additives or distinct PFAS chemicals contribute injury attributed to the particle label.",
        "explains_what_nominal_does_not": "Adsorbed metals, additives or distinct PFAS chemicals contribute injury attributed to the particle label.",
        "strongest_supporting_evidence": [
          "Polystyrene-plus-lead/cadmium/PFAS-analogue experiments show coexposure-dependent injury; chemical epidemiology uses a different exposure entity."
        ],
        "strongest_contradictory_evidence": [
          "Combined exposures and cell pharmacology do not quantify each contribution to human clinical events or eliminate pure-particle effects."
        ],
        "hsef_level_for_this_model": "Γ",
        "rationale": "Polystyrene-plus-lead/cadmium/PFAS-analogue experiments show coexposure-dependent injury; chemical epidemiology uses a different exposure entity. Combined exposures and cell pharmacology do not quantify each contribution to human clinical events or eliminate pure-particle effects."
      },
      {
        "rank_in_tournament": 4,
        "model_id": "M4",
        "is_nominal": false,
        "name": "Measurement and procedural-source heterogeneity",
        "core_claim": "Assay thresholds and clinical/laboratory materials explain part of measured tissue/blood differences.",
        "explains_what_nominal_does_not": "Assay thresholds and clinical/laboratory materials explain part of measured tissue/blood differences.",
        "strongest_supporting_evidence": [
          "Contamination-aware studies identify procedural material signatures and nonplastic suspects, while pyrolysis and imaging quantify different properties."
        ],
        "strongest_contradictory_evidence": [
          "Orthogonal chemical/microscopic findings make a universal all-artifact explanation untenable; heterogeneity is not proof of no exposure."
        ],
        "hsef_level_for_this_model": "Β",
        "rationale": "Contamination-aware studies identify procedural material signatures and nonplastic suspects, while pyrolysis and imaging quantify different properties. Orthogonal chemical/microscopic findings make a universal all-artifact explanation untenable; heterogeneity is not proof of no exposure."
      }
    ],
    "tournament_summary": "Descriptive comparison; does not modify the nominal score. Marfella PMID 38446676 is the strongest human clinical association but cannot distinguish causal injury from disease-related trapping. PMID 39366047 directly shows a barrier-damage association without particle-cytokine association, while PMID 39841831 demonstrates experimental obstruction. A validated natural exposure-reduction study with repeated internal sampling would separate the leading models.",
    "study_separating_rank1_from_rank2": "Marfella PMID 38446676 is the strongest human clinical association but cannot distinguish causal injury from disease-related trapping. PMID 39366047 directly shows a barrier-damage association without particle-cytokine association, while PMID 39841831 demonstrates experimental obstruction. A validated natural exposure-reduction study with repeated internal sampling would separate the leading models.",
    "nominal_wins_only_by_funding_artifact": false,
    "level_unchanged_by_tournament": true
  },
  "evidence_inventory": [
    {
      "n": 1,
      "pmid": "38446676",
      "title": "Microplastics and Nanoplastics in Atheromas and Cardiovascular Events.",
      "citation": "Marfella R, Prattichizzo F, Sardu C et al. Microplastics and Nanoplastics in Atheromas and Cardiovascular Events. The New England journal of medicine. 2024.",
      "doi": "10.1056/NEJMoa2309822",
      "pmcid": "PMC11009876",
      "url": "https://pubmed.ncbi.nlm.nih.gov/38446676/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38446676/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "MARFELLA-CAROTID-2019-2020",
      "access_depth": "full_text_partial",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 0:METHODS:paragraph0, 0:METHODS:paragraph1, 0:METHODS:paragraph2, 0:METHODS:paragraph3, 0:METHODS:paragraph5, 1:RESULTS:paragraph0, 1:RESULTS:paragraph1, 1:RESULTS:paragraph2, 1:RESULTS:paragraph5, 1:RESULTS:paragraph6, 2:DISCUSSION:paragraph3, 2:DISCUSSION:paragraph4. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC1",
        "SC2",
        "SC3"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "human observational",
      "decisive_perturbation": true,
      "endogenous": false,
      "direction": "supports",
      "what_it_shows": "Prospective carotid-surgery cohort follows 257 of 304 enrolled for about 34 months; plaque polymers associate with a composite of myocardial infarction, stroke or all-cause death.",
      "what_it_does_not_show": "The reported 4.53 hazard ratio is observational and the composite includes all-cause death; diseased-plaque selection, residual confounding and contamination do not isolate particle causation.",
      "confounders_present": [
        "The reported 4.53 hazard ratio is observational and the composite includes all-cause death; diseased-plaque selection, residual confounding and contamination do not isolate particle causation."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
        "contrasting_count": 0,
        "notable_contrasting_statements": []
      },
      "discriminating_contrast": true,
      "decisive_test_note": "Pivotal test, including null or negative results and restricted contexts; this flag is not a positive threshold crossing.",
      "shared_components": []
    },
    {
      "n": 2,
      "pmid": "42236542",
      "title": "Circulating Microplastics in Acute Ischemic Stroke: Feasibility, Variability, and Exploratory Comparisons with Healthy Individuals.",
      "citation": "Hohenstatt S, Maliandi G, Vollherbst DF et al. Circulating Microplastics in Acute Ischemic Stroke: Feasibility, Variability, and Exploratory Comparisons with Healthy Individuals. Clinical neuroradiology. 2026.",
      "doi": "10.1007/s00062-026-01673-1",
      "pmcid": "",
      "url": "https://pubmed.ncbi.nlm.nih.gov/42236542/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/42236542/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "PMID42236542",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC1",
        "SC2"
      ],
      "favors_models": [],
      "evidence_class": "Weak",
      "system": "human observational",
      "decisive_perturbation": false,
      "endogenous": false,
      "direction": "mixed",
      "what_it_shows": "Contamination-controlled pilot blood analysis finds particles in 20 stroke patients and 15 controls; the within-study particle-count difference is not significant.",
      "what_it_does_not_show": "An exploratory pooled external healthy reference produces a positive comparison with heterogeneous assays; it cannot establish disease-specific elevation or causation.",
      "confounders_present": [
        "An exploratory pooled external healthy reference produces a positive comparison with heterogeneous assays; it cannot establish disease-specific elevation or causation."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
        "contrasting_count": 0,
        "notable_contrasting_statements": []
      },
      "discriminating_contrast": false,
      "decisive_test_note": "",
      "shared_components": []
    },
    {
      "n": 3,
      "pmid": "41816352",
      "title": "Isolation and characterization of microplastics from human blood samples by confocal RAMAN microscopy.",
      "citation": "Sarabia AJ, Martínez B, Martínez MLÁ et al. Isolation and characterization of microplastics from human blood samples by confocal RAMAN microscopy. MethodsX. 2026.",
      "doi": "10.1016/j.mex.2026.103841",
      "pmcid": "PMC12972724",
      "url": "https://pubmed.ncbi.nlm.nih.gov/41816352/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/41816352/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "PMID41816352",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC1"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "ex vivo",
      "decisive_perturbation": false,
      "endogenous": false,
      "direction": "supports",
      "what_it_shows": "Raman blood-particle workflow uses negative and positive controls plus clinical-material reference spectra to trace contamination and chemically identify polymers.",
      "what_it_does_not_show": "An analytical detection protocol does not quantify prospective cardiovascular risk or particle-specific clinical harm.",
      "confounders_present": [
        "An analytical detection protocol does not quantify prospective cardiovascular risk or particle-specific clinical harm."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
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        "notable_contrasting_statements": []
      },
      "discriminating_contrast": false,
      "decisive_test_note": "",
      "shared_components": []
    },
    {
      "n": 4,
      "pmid": "41187616",
      "title": "A new screening framework to support the identification of exogenous particles and suspect microplastics in situ in pathological tissue samples.",
      "citation": "Wright SL, Gwinnett C, Mudway IS et al. A new screening framework to support the identification of exogenous particles and suspect microplastics in situ in pathological tissue samples. EBioMedicine. 2025.",
      "doi": "10.1016/j.ebiom.2025.105984",
      "pmcid": "PMC12629922",
      "url": "https://pubmed.ncbi.nlm.nih.gov/41187616/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/41187616/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "PMID41187616",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC1"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "ex vivo",
      "decisive_perturbation": false,
      "endogenous": false,
      "direction": "mixed",
      "what_it_shows": "Ileal biopsy screening identifies many apparent subepithelial particles as procedural contaminants; limited remaining observations illustrate translocation and chemical cross-checks.",
      "what_it_does_not_show": "Suspect particles include starch and a viscose fibre; the framework is not cardiovascular tissue evidence or causal injury.",
      "confounders_present": [
        "Suspect particles include starch and a viscose fibre; the framework is not cardiovascular tissue evidence or causal injury."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
        "contrasting_count": 0,
        "notable_contrasting_statements": []
      },
      "discriminating_contrast": false,
      "decisive_test_note": "",
      "shared_components": []
    },
    {
      "n": 5,
      "pmid": "40696889",
      "title": "Label-Free Identification and Imaging of Microplastic and Nanoplastic Biouptake Using Optical Photothermal Infrared Microspectroscopy.",
      "citation": "Macairan JR, Saherwala A, Li F et al. Label-Free Identification and Imaging of Microplastic and Nanoplastic Biouptake Using Optical Photothermal Infrared Microspectroscopy. Environmental science & technology. 2025.",
      "doi": "10.1021/acs.est.4c14367",
      "pmcid": "PMC12330824",
      "url": "https://pubmed.ncbi.nlm.nih.gov/40696889/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40696889/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "PMID40696889",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC1"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "animal model",
      "decisive_perturbation": false,
      "endogenous": false,
      "direction": "supports",
      "what_it_shows": "Label-free O-PTIR and microtomy localize and identify plastics in exposed aquatic and terrestrial experimental organisms.",
      "what_it_does_not_show": "Method validation in Daphnia, flies and worms does not establish human cardiovascular accumulation or clinical effects.",
      "confounders_present": [
        "Method validation in Daphnia, flies and worms does not establish human cardiovascular accumulation or clinical effects."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
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        "notable_contrasting_statements": []
      },
      "discriminating_contrast": false,
      "decisive_test_note": "",
      "shared_components": []
    },
    {
      "n": 6,
      "pmid": "40179790",
      "title": "Cross-platform detection of microplastics in human biological tissues: Comparing spectroscopic and chromatographic approaches.",
      "citation": "Zhang L, Tian J, Zhu X et al. Cross-platform detection of microplastics in human biological tissues: Comparing spectroscopic and chromatographic approaches. Journal of hazardous materials. 2025.",
      "doi": "10.1016/j.jhazmat.2025.138133",
      "pmcid": "",
      "url": "https://pubmed.ncbi.nlm.nih.gov/40179790/",
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      "title": "Suspected Microplastic-Like Particles Recovered From Paired Human Small Intestine and Large Intestine Specimens: An Exploratory Post-mortem Study.",
      "citation": "Radu ET, Palade NA, Solomon CC et al. Suspected Microplastic-Like Particles Recovered From Paired Human Small Intestine and Large Intestine Specimens: An Exploratory Post-mortem Study. Cureus. 2026.",
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        "The assay is not polymer-specific and unadjusted heterogeneous pathology does not establish true particle identity or causal inflammation."
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      "title": "Long-Chain Acyl Carnitines Aggravate Polystyrene Nanoplastics-Induced Atherosclerosis by Upregulating MARCO.",
      "citation": "Wang B, Liang B, Huang Y et al. Long-Chain Acyl Carnitines Aggravate Polystyrene Nanoplastics-Induced Atherosclerosis by Upregulating MARCO. Advanced science (Weinheim, Baden-Wurttemberg, Germany). 2023.",
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      "title": "Microplastics in human blood: Polymer types, concentrations and characterisation using μFTIR.",
      "citation": "V L Leonard S, Liddle CR, Atherall CA et al. Microplastics in human blood: Polymer types, concentrations and characterisation using μFTIR. Environment international. 2024.",
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      "what_it_does_not_show": "Detection and hypotheses about thrombosis do not establish prospective cardiovascular risk; mass and number thresholds differ.",
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      "title": "Nanoplastics causes heart aging/myocardial cell senescence through the Ca2+/mtDNA/cGAS-STING signaling cascade.",
      "citation": "Wang K, Du Y, Li P et al. Nanoplastics causes heart aging/myocardial cell senescence through the Ca2+/mtDNA/cGAS-STING signaling cascade. Journal of nanobiotechnology. 2024.",
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      "what_it_does_not_show": "Senescence markers and pathway activation do not demonstrate clinical cardiac events or pathway necessity at human exposures.",
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      "pmid": "37440474",
      "title": "Detection of Various Microplastics in Patients Undergoing Cardiac Surgery.",
      "citation": "Yang Y, Xie E, Du Z et al. Detection of Various Microplastics in Patients Undergoing Cardiac Surgery. Environmental science & technology. 2023.",
      "doi": "10.1021/acs.est.2c07179",
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      "title": "Microplastics in three types of human arteries detected by pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS).",
      "citation": "Liu S, Wang C, Yang Y et al. Microplastics in three types of human arteries detected by pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS). Journal of hazardous materials. 2024.",
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      "title": "Low-dose of polystyrene microplastics induce cardiotoxicity in mice and human-originated cardiac organoids.",
      "citation": "Zhou Y, Wu Q, Li Y et al. Low-dose of polystyrene microplastics induce cardiotoxicity in mice and human-originated cardiac organoids. Environment international. 2023.",
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      "title": "Long-term polystyrene nanoplastic exposure disrupt hepatic lipid metabolism and cause atherosclerosis in ApoE-/- mice.",
      "citation": "Wen J, Sun H, Yang B et al. Long-term polystyrene nanoplastic exposure disrupt hepatic lipid metabolism and cause atherosclerosis in ApoE-/- mice. Journal of hazardous materials. 2024.",
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      "title": "Microplastics are associated with elevated atherosclerotic risk and increased vascular complexity in acute coronary syndrome patients.",
      "citation": "Yang Y, Zhang F, Jiang Z et al. Microplastics are associated with elevated atherosclerotic risk and increased vascular complexity in acute coronary syndrome patients. Particle and fibre toxicology. 2024.",
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        "Disease and exposure are measured together; reverse causation, procedural contamination and confounding preclude clinical causal inference."
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      "pmid": "39482939",
      "title": "Unveiling the Heart's Hidden Enemy: Dynamic Insights into Polystyrene Nanoplastic-Induced Cardiotoxicity Based on Cardiac Organoid-on-a-Chip.",
      "citation": "Zhang T, Yang S, Ge Y et al. Unveiling the Heart's Hidden Enemy: Dynamic Insights into Polystyrene Nanoplastic-Induced Cardiotoxicity Based on Cardiac Organoid-on-a-Chip. ACS nano. 2024.",
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      "pmid": "40007360",
      "title": "Microplastics and nanoplastics increase major adverse cardiac events in patients with myocardial infarction.",
      "citation": "Zhang Y, Gao Q, Gao Q et al. Microplastics and nanoplastics increase major adverse cardiac events in patients with myocardial infarction. Journal of hazardous materials. 2025.",
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      "pmid": "38614011",
      "title": "Multimodal detection and analysis of microplastics in human thrombi from multiple anatomically distinct sites.",
      "citation": "Wang T, Yi Z, Liu X et al. Multimodal detection and analysis of microplastics in human thrombi from multiple anatomically distinct sites. EBioMedicine. 2024.",
      "doi": "10.1016/j.ebiom.2024.105118",
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      "what_it_shows": "Multimodal chemical and microscopic testing finds polymers in 24 of 30 thrombi across stroke, MI and DVT, with burden-severity associations.",
      "what_it_does_not_show": "Thrombus sampling after clinical disease cannot establish temporal particle causation; mass, morphology and site differ.",
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        "Thrombus sampling after clinical disease cannot establish temporal particle causation; mass, morphology and site differ."
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      "pmid": "39764954",
      "title": "Co-exposure to polystyrene nanoplastics and F-53B induces vascular endothelial cell pyroptosis through the NF-κB/NLRP3 pathway.",
      "citation": "Lv J, Tan Z, An Z et al. Co-exposure to polystyrene nanoplastics and F-53B induces vascular endothelial cell pyroptosis through the NF-κB/NLRP3 pathway. Journal of hazardous materials. 2025.",
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      "what_it_shows": "Individual and combined polystyrene and F-53B exposure produce mouse vascular injury and endothelial inflammatory pathway changes.",
      "what_it_does_not_show": "PFAS analogue and particle coexposure are distinct; combined toxicity cannot identify the source of real-world human cardiovascular events.",
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        "PFAS analogue and particle coexposure are distinct; combined toxicity cannot identify the source of real-world human cardiovascular events."
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      "n": 22,
      "pmid": "38462200",
      "title": "Polystyrene nanoplastics and cadmium co-exposure aggravated cardiomyocyte damage in mice by regulating PANoptosis pathway.",
      "citation": "Ye J, Qiu W, Pang X et al. Polystyrene nanoplastics and cadmium co-exposure aggravated cardiomyocyte damage in mice by regulating PANoptosis pathway. Environmental pollution (Barking, Essex : 1987). 2024.",
      "doi": "10.1016/j.envpol.2024.123713",
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      "what_it_shows": "Thirty-five-day polystyrene and cadmium exposure in male mice produces cardiac injury and death-pathway changes, greater with combined exposure.",
      "what_it_does_not_show": "Claimed environmental relevance does not establish human internal dose; cadmium, sickness and pathway markers limit particle-specific clinical attribution.",
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        "Claimed environmental relevance does not establish human internal dose; cadmium, sickness and pathway markers limit particle-specific clinical attribution."
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      "pmid": "39232293",
      "title": "Polystyrene nanoplastics accelerate atherosclerosis: Unraveling the impact on smooth muscle cells through KIF15-mediated migration.",
      "citation": "Zhong Y, Feng Y, Huang Y et al. Polystyrene nanoplastics accelerate atherosclerosis: Unraveling the impact on smooth muscle cells through KIF15-mediated migration. Ecotoxicology and environmental safety. 2024.",
      "doi": "10.1016/j.ecoenv.2024.116983",
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      "what_it_shows": "Nineteen-week polystyrene exposure in ApoE-knockout high-fat-fed mice accompanies plaque development and smooth-muscle migration changes with Kif15 knockdown experiments.",
      "what_it_does_not_show": "Shared dose, duration and experimental platform with related MARCO work require conservative independence grouping; cell migration is not an isolated human clinical mediator.",
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        "Shared dose, duration and experimental platform with related MARCO work require conservative independence grouping; cell migration is not an isolated human clinical mediator."
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      "pmid": "39841831",
      "title": "Microplastics in the bloodstream can induce cerebral thrombosis by causing cell obstruction and lead to neurobehavioral abnormalities.",
      "citation": "Huang H, Hou J, Li M et al. Microplastics in the bloodstream can induce cerebral thrombosis by causing cell obstruction and lead to neurobehavioral abnormalities. Science advances. 2025.",
      "doi": "10.1126/sciadv.adr8243",
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      "what_it_shows": "Mouse in-vivo imaging connects circulating particle-phagocyte aggregates with cortical microvascular obstruction, reduced flow and neurobehavioral abnormalities.",
      "what_it_does_not_show": "Administered bloodstream exposure and species-specific capillary conditions do not quantify typical human oral exposure or clinical stroke incidence.",
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        "Administered bloodstream exposure and species-specific capillary conditions do not quantify typical human oral exposure or clinical stroke incidence."
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      "n": 25,
      "pmid": "41005896",
      "title": "Ferroptosis involved in inhaled polystyrene microplastics leaded myocardial fibrosis through HIF-ROS-SLC7A11/GPX4 Pathway.",
      "citation": "Huang D, Kang H, Liu Z et al. Ferroptosis involved in inhaled polystyrene microplastics leaded myocardial fibrosis through HIF-ROS-SLC7A11/GPX4 Pathway. Journal of environmental sciences (China). 2026.",
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      "what_it_shows": "Inhaled 5-micrometer polystyrene impaired mouse cardiac function and induced fibrosis; ferroptosis/HIF/oxidative-stress inhibitors improved selected cellular injury measures.",
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      "n": 26,
      "pmid": "40939713",
      "title": "Assessing the toxicological effects of exposure to environmental pollutants PET-MPs on vascular diseases: insights from network toxicology, molecular docking, molecular dynamics, and experimental validation.",
      "citation": "Xu H, Chen S, Wang X et al. Assessing the toxicological effects of exposure to environmental pollutants PET-MPs on vascular diseases: insights from network toxicology, molecular docking, molecular dynamics, and experimental validation. Environmental pollution (Barking, Essex : 1987). 2025.",
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      "pmid": "41275764",
      "title": "Microplastic exposure elicits sex-specific atherosclerosis development in lean low-density lipoprotein receptor-deficient mice.",
      "citation": "Lin TA, Pan J, Nguyen M et al. Microplastic exposure elicits sex-specific atherosclerosis development in lean low-density lipoprotein receptor-deficient mice. Environment international. 2025.",
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      "what_it_shows": "Daily 10 mg/kg gavage for nine weeks increased aortic-root lesions in lean male LDLR-deficient mice but not females, without lipid or adiposity change.",
      "what_it_does_not_show": "The sex boundary and sensitized genotype are experimental; the brachiocephalic estimate was nonsignificant, and asserted environmental relevance is not validated human dose equivalence.",
      "confounders_present": [
        "The sex boundary and sensitized genotype are experimental; the brachiocephalic estimate was nonsignificant, and asserted environmental relevance is not validated human dose equivalence."
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      "n": 28,
      "pmid": "34788346",
      "title": "Polystyrene microplastic particles induce endothelial activation.",
      "citation": "Vlacil AK, Bänfer S, Jacob R et al. Polystyrene microplastic particles induce endothelial activation. PloS one. 2021.",
      "doi": "10.1371/journal.pone.0260181",
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      "confounders_present": [
        "Inflammatory markers and particle clearance do not establish human clinical events or pathway-specific necessity."
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        "Concentrations of 30-70 micrograms/mL, transient cell silencing and pleiotropic drug rescue cannot establish preventive clinical treatment or human MACE mediation."
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      "title": "Anionic nanoplastic exposure induces endothelial leakiness.",
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      "what_it_shows": "Anionic polystyrene/PMMA disrupted endothelial cadherin junctions in dose-dependent cell, ex-vivo and animal assays, without linkage to several cytotoxic stress routes.",
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      "title": "Toxic vascular effects of polystyrene microplastic exposure.",
      "citation": "Yan J, Pan Y, He J et al. Toxic vascular effects of polystyrene microplastic exposure. The Science of the total environment. 2023.",
      "doi": "10.1016/j.scitotenv.2023.167215",
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      "title": "Marine Microplastic Levels and the Prevalence of Cardiometabolic Diseases in US Coastline Counties.",
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      "title": "Exploring microplastic impact on whole blood clotting dynamics utilizing thromboelastography.",
      "citation": "Christodoulides A, Hall A, Alves NJ. Exploring microplastic impact on whole blood clotting dynamics utilizing thromboelastography. Frontiers in public health. 2023.",
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        "Surface chemistry and ex-vivo clotting differ from spontaneous clinical thrombosis at ordinary exposures; assay activation is not human MACE."
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      "title": "Exposure of polystyrene nanoplastics led to ferroptosis on cardiomyocytes.",
      "citation": "Niu H, Li W. Exposure of polystyrene nanoplastics led to ferroptosis on cardiomyocytes. Environmental pollution (Barking, Essex : 1987). 2025.",
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      "pmid": "38889468",
      "title": "Potential mechanisms of aortic medial degeneration promoted by co-exposure to microplastics and lead.",
      "citation": "Xie X, Wang K, Shen X et al. Potential mechanisms of aortic medial degeneration promoted by co-exposure to microplastics and lead. Journal of hazardous materials. 2024.",
      "doi": "10.1016/j.jhazmat.2024.134854",
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      "title": "Tissue-specific distribution of microplastics in human blood and carotid plaques: A paired sample analysis.",
      "citation": "Cui C, Guo Z, Liu Y et al. Tissue-specific distribution of microplastics in human blood and carotid plaques: A paired sample analysis. Environment international. 2025.",
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      "title": "RNA-seq and ChIP-seq reveal microplastics induce endothelial-mesenchymal transition via HK2-mediated histone lactylation in pulmonary hypertension.",
      "citation": "Long C, Lin M, Wang W et al. RNA-seq and ChIP-seq reveal microplastics induce endothelial-mesenchymal transition via HK2-mediated histone lactylation in pulmonary hypertension. Vascular pharmacology. 2026.",
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      "pmid": "40010211",
      "title": "Micronanoplastic exposure due to cardiopulmonary bypass in children: A prospective observational study.",
      "citation": "Wu Y, Chen Y, He R et al. Micronanoplastic exposure due to cardiopulmonary bypass in children: A prospective observational study. Journal of hazardous materials. 2025.",
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      "n": 40,
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      "title": "Polystyrene nanoplastics induce cardiotoxicity by upregulating HIPK2 and activating the P53 and TGF-β1/Smad3 pathways.",
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      "title": "Blood-brain barrier damage accelerates the accumulation of micro- and nanoplastics in the human central nervous system.",
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      "title": "Associations of PFAS-related plasma metabolites with cholesterol and triglyceride concentrations.",
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      "title": "Maternal plasma perfluoroalkyl substances concentrations in early pregnancy and cardiovascular development in offspring: A prospective cohort study.",
      "citation": "Wang J, Du B, Wu Y et al. Maternal plasma perfluoroalkyl substances concentrations in early pregnancy and cardiovascular development in offspring: A prospective cohort study. Environment international. 2023.",
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      "citation": "Stubleski J, Salihovic S, Lind L et al. Changes in serum levels of perfluoroalkyl substances during a 10-year follow-up period in a large population-based cohort. Environment international. 2016.",
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      "title": "The effect of drinking water contaminated with perfluoroalkyl substances on a 10-year longitudinal trend of plasma levels in an elderly Uppsala cohort.",
      "citation": "Stubleski J, Salihovic S, Lind PM et al. The effect of drinking water contaminated with perfluoroalkyl substances on a 10-year longitudinal trend of plasma levels in an elderly Uppsala cohort. Environmental research. 2017.",
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      "title": "Per- and Polyfluoroalkyl Substances, Serum Lipidome, and Clinical Outcomes after Percutaneous Coronary Intervention in Type 2 Diabetic Patients: A Prospective Nested Case-control Study.",
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      "study_id": "PMID40571603",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC5"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "human observational",
      "decisive_perturbation": false,
      "endogenous": false,
      "direction": "supports",
      "what_it_shows": "A prospective diabetes/PCI nested case-control analysis associated baseline PFAS mixtures and lipidomic patterns with two-year MACCE odds.",
      "what_it_does_not_show": "Statistical lipid mediation, selected coronary disease and residual confounding do not establish chemical causation; ambiguous indexed case-pair wording is not expanded into a verified case count.",
      "confounders_present": [
        "Statistical lipid mediation, selected coronary disease and residual confounding do not establish chemical causation; ambiguous indexed case-pair wording is not expanded into a verified case count."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
        "contrasting_count": 0,
        "notable_contrasting_statements": []
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      "discriminating_contrast": true,
      "decisive_test_note": "",
      "shared_components": []
    },
    {
      "n": 52,
      "pmid": "40974835",
      "title": "Serum, urinary and fecal concentrations of perfluoroalkyl substances after interventions with cholestyramine/colesevelam and probenecid - cross-over trials in Ronneby, Sweden.",
      "citation": "Andersson AG, Xu Y, Kärrman A et al. Serum, urinary and fecal concentrations of perfluoroalkyl substances after interventions with cholestyramine/colesevelam and probenecid - cross-over trials in Ronneby, Sweden. Environment international. 2025.",
      "doi": "10.1016/j.envint.2025.109794",
      "pmcid": "",
      "url": "https://pubmed.ncbi.nlm.nih.gov/40974835/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40974835/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "PMID40974835",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC6",
        "SC4"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "human interventional",
      "decisive_perturbation": false,
      "endogenous": true,
      "direction": "supports",
      "what_it_shows": "Ten-person crossover interventions increased fecal PFOS excretion with cholestyramine and lowered serum PFOS with colesevelam versus observation; probenecid did not improve urinary PFOS.",
      "what_it_does_not_show": "Chemical elimination and serum decline are not clinical health outcomes; very small crossover data cannot validate retail detox or a benefit-harm profile.",
      "confounders_present": [
        "Chemical elimination and serum decline are not clinical health outcomes; very small crossover data cannot validate retail detox or a benefit-harm profile."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
        "contrasting_count": 0,
        "notable_contrasting_statements": []
      },
      "discriminating_contrast": true,
      "decisive_test_note": "",
      "shared_components": []
    },
    {
      "n": 53,
      "pmid": "38367552",
      "title": "Substantial decrease of PFAS with anion exchange resin treatment - A clinical cross-over trial.",
      "citation": "Møller JJ, Lyngberg AC, Hammer PEC et al. Substantial decrease of PFAS with anion exchange resin treatment - A clinical cross-over trial. Environment international. 2024.",
      "doi": "10.1016/j.envint.2024.108497",
      "pmcid": "",
      "url": "https://pubmed.ncbi.nlm.nih.gov/38367552/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38367552/",
      "tier": "A",
      "source_tier": "A",
      "kind": "rct",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "PMID38367552",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC6",
        "SC4"
      ],
      "favors_models": [],
      "evidence_class": "Strong",
      "system": "human interventional",
      "decisive_perturbation": true,
      "endogenous": true,
      "direction": "supports",
      "what_it_shows": "Randomized-sequence open-label crossover in 45 highly exposed adults reduced serum PFOS by about 60% with anion-exchange resin versus observation.",
      "what_it_does_not_show": "Primary endpoint was serum concentration, not clinical benefit; absence of serious events in a small short study is not proof of broad safety or efficacy of detox products.",
      "confounders_present": [
        "Primary endpoint was serum concentration, not clinical benefit; absence of serious events in a small short study is not proof of broad safety or efficacy of detox products."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
        "contrasting_count": 0,
        "notable_contrasting_statements": []
      },
      "discriminating_contrast": true,
      "decisive_test_note": "Pivotal test, including null or negative results and restricted contexts; this flag is not a positive threshold crossing.",
      "shared_components": []
    },
    {
      "n": 54,
      "pmid": "35394514",
      "title": "Effect of Plasma and Blood Donations on Levels of Perfluoroalkyl and Polyfluoroalkyl Substances in Firefighters in Australia: A Randomized Clinical Trial.",
      "citation": "Gasiorowski R, Forbes MK, Silver G et al. Effect of Plasma and Blood Donations on Levels of Perfluoroalkyl and Polyfluoroalkyl Substances in Firefighters in Australia: A Randomized Clinical Trial. JAMA network open. 2022.",
      "doi": "10.1001/jamanetworkopen.2022.6257",
      "pmcid": "PMC8994130",
      "url": "https://pubmed.ncbi.nlm.nih.gov/35394514/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/35394514/",
      "tier": "A",
      "source_tier": "A",
      "kind": "rct",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "ACTRN12619000204145",
      "access_depth": "full_text_partial",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 1:Methods:paragraph0, 1:Methods:paragraph1, 1:Methods:paragraph3, 1:Methods:paragraph5, 1:Methods:paragraph6, 1:Methods:paragraph7, 2:Results:paragraph0, 2:Results:paragraph1, 2:Results:paragraph2, 2:Results:paragraph3, 2:Results:paragraph4, 2:Results:paragraph5, 2:Results:paragraph6, 2:Results:paragraph7, 2:Results:paragraph8, 2:Results:paragraph9, 2:Results:paragraph11, 2:Results:paragraph13, 2:Results:paragraph14, 2:Results:paragraph15. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC6",
        "SC4"
      ],
      "favors_models": [],
      "evidence_class": "Strong",
      "system": "human interventional",
      "decisive_perturbation": true,
      "endogenous": true,
      "direction": "supports",
      "what_it_shows": "Randomized 285-firefighter trial reduced selected serum PFAS; body Results distinguish within-group from between-group chemical contrasts and report no improvement in several laboratory-health panels.",
      "what_it_does_not_show": "Burden reduction is not clinical-event efficacy or demonstrated particle clearance; blood donation lowered hemoglobin and plasma donation had more adverse events. Donor eligibility and sex distribution restrict scope.",
      "confounders_present": [
        "Burden reduction is not clinical-event efficacy or demonstrated particle clearance; blood donation lowered hemoglobin and plasma donation had more adverse events. Donor eligibility and sex distribution restrict scope."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
        "contrasting_count": 0,
        "notable_contrasting_statements": []
      },
      "discriminating_contrast": true,
      "decisive_test_note": "Pivotal test, including null or negative results and restricted contexts; this flag is not a positive threshold crossing.",
      "shared_components": []
    },
    {
      "n": 55,
      "pmid": "38345456",
      "title": "Mortality and cancer incidence in perfluorooctanesulfonyl fluoride production workers.",
      "citation": "Alexander BH, Ryan A, Church TR et al. Mortality and cancer incidence in perfluorooctanesulfonyl fluoride production workers. American journal of industrial medicine. 2024.",
      "doi": "10.1002/ajim.23568",
      "pmcid": "",
      "url": "https://pubmed.ncbi.nlm.nih.gov/38345456/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38345456/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "PMID38345456",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC5"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "human observational",
      "decisive_perturbation": false,
      "endogenous": false,
      "direction": "mixed",
      "what_it_shows": "Occupational PFOS-equivalent analysis found excess cerebrovascular mortality in the highest exposure quartile relative to national expectations, with many imprecise/null within-cohort estimates.",
      "what_it_does_not_show": "Healthy-worker effects, exposure reconstruction and reference comparisons limit causal inference; chemical mixtures are not plastic particles.",
      "confounders_present": [
        "Healthy-worker effects, exposure reconstruction and reference comparisons limit causal inference; chemical mixtures are not plastic particles."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
        "contrasting_count": 0,
        "notable_contrasting_statements": []
      },
      "discriminating_contrast": true,
      "decisive_test_note": "",
      "shared_components": []
    },
    {
      "n": 56,
      "pmid": "38627679",
      "title": "All-cause, cardiovascular disease and cancer mortality in the population of a large Italian area contaminated by perfluoroalkyl and polyfluoroalkyl substances (1980-2018).",
      "citation": "Biggeri A, Stoppa G, Facciolo L et al. All-cause, cardiovascular disease and cancer mortality in the population of a large Italian area contaminated by perfluoroalkyl and polyfluoroalkyl substances (1980-2018). Environmental health : a global access science source. 2024.",
      "doi": "10.1186/s12940-024-01074-2",
      "pmcid": "PMC11022451",
      "url": "https://pubmed.ncbi.nlm.nih.gov/38627679/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/38627679/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "PMID38627679",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC5"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "human observational",
      "decisive_perturbation": false,
      "endogenous": false,
      "direction": "supports",
      "what_it_shows": "Residence-defined PFAS-contaminated Italian municipalities had higher all-cause and selected cardiovascular mortality than regional expectations.",
      "what_it_does_not_show": "Geographic exposure, assumed contamination onset and regional confounding do not isolate chemical-specific human causal events.",
      "confounders_present": [
        "Geographic exposure, assumed contamination onset and regional confounding do not isolate chemical-specific human causal events."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
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        "notable_contrasting_statements": []
      },
      "discriminating_contrast": true,
      "decisive_test_note": "",
      "shared_components": []
    },
    {
      "n": 57,
      "pmid": "31542491",
      "title": "A mortality study on male subjects exposed to polyfluoroalkyl acids with high internal dose of perfluorooctanoic acid.",
      "citation": "Girardi P, Merler E. A mortality study on male subjects exposed to polyfluoroalkyl acids with high internal dose of perfluorooctanoic acid. Environmental research. 2019.",
      "doi": "10.1016/j.envres.2019.108743",
      "pmcid": "",
      "url": "https://pubmed.ncbi.nlm.nih.gov/31542491/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/31542491/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "PMID31542491",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC5"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "human observational",
      "decisive_perturbation": false,
      "endogenous": false,
      "direction": "mixed",
      "what_it_shows": "A small highly exposed male factory cohort showed elevated mortality for selected hepatic, diabetes and cancer outcomes compared with reference groups.",
      "what_it_does_not_show": "The abstract does not establish a specific cardiovascular-event effect; coexposures and limited confounder control prevent broad PFAS-MACE extrapolation.",
      "confounders_present": [
        "The abstract does not establish a specific cardiovascular-event effect; coexposures and limited confounder control prevent broad PFAS-MACE extrapolation."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
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      "discriminating_contrast": false,
      "decisive_test_note": "",
      "shared_components": []
    },
    {
      "n": 58,
      "pmid": "30622063",
      "title": "Perfluoroalkyl substances and risk of type II diabetes: A prospective nested case-control study.",
      "citation": "Donat-Vargas C, Bergdahl IA, Tornevi A et al. Perfluoroalkyl substances and risk of type II diabetes: A prospective nested case-control study. Environment international. 2019.",
      "doi": "10.1016/j.envint.2018.12.026",
      "pmcid": "",
      "url": "https://pubmed.ncbi.nlm.nih.gov/30622063/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/30622063/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "VIP-PFAS-DIABETES",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC5"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "human observational",
      "decisive_perturbation": false,
      "endogenous": false,
      "direction": "mixed",
      "what_it_shows": "A prospective nested case-control study found mostly nonsignificant inverse PFAS-diabetes associations and lower insulin resistance in controls.",
      "what_it_does_not_show": "A noncardiovascular outcome is a boundary against uniform metabolic-harm claims, not proof that PFAS cannot cause cardiovascular harm.",
      "confounders_present": [
        "A noncardiovascular outcome is a boundary against uniform metabolic-harm claims, not proof that PFAS cannot cause cardiovascular harm."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
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        "notable_contrasting_statements": []
      },
      "discriminating_contrast": true,
      "decisive_test_note": "",
      "shared_components": []
    },
    {
      "n": 59,
      "pmid": "40902535",
      "title": "Microplastic contamination in kidney transplant donor tissues and its association with early post-transplant blood pressure changes in recipients: A multi-modal analytical study.",
      "citation": "Wang T, Li N, Zhao Z et al. Microplastic contamination in kidney transplant donor tissues and its association with early post-transplant blood pressure changes in recipients: A multi-modal analytical study. Journal of hazardous materials. 2025.",
      "doi": "10.1016/j.jhazmat.2025.139728",
      "pmcid": "",
      "url": "https://pubmed.ncbi.nlm.nih.gov/40902535/",
      "source_pointer": "https://pubmed.ncbi.nlm.nih.gov/40902535/",
      "tier": "A",
      "source_tier": "A",
      "kind": "primary",
      "status_flags": [
        "none_found"
      ],
      "opened": true,
      "opened_on": "2026-10-13",
      "status_checked_on": "2026-10-13",
      "study_id": "PMID40902535",
      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "relates_to_subclaims": [
        "SC1",
        "SC2"
      ],
      "favors_models": [],
      "evidence_class": "Moderate",
      "system": "human observational",
      "decisive_perturbation": false,
      "endogenous": false,
      "direction": "mixed",
      "what_it_shows": "Multimodal polymer measurements in 28 donor tissues found mostly nonsignificant exploratory associations with recipient blood pressure 15 days after transplantation.",
      "what_it_does_not_show": "Short postoperative proxies and many tissue/polymer comparisons cannot establish particle-caused MACE; unclear indexed regression/FDR wording is not interpreted as a causal numerical result.",
      "confounders_present": [
        "Short postoperative proxies and many tissue/polymer comparisons cannot establish particle-caused MACE; unclear indexed regression/FDR wording is not interpreted as a causal numerical result."
      ],
      "verification": "verified",
      "verification_note": "Bounded source attribution; not proof of the nominal mechanism.",
      "citation_context": {
        "retrieved": false,
        "supporting_count": 0,
        "mentioning_count": 0,
        "contrasting_count": 0,
        "notable_contrasting_statements": []
      },
      "discriminating_contrast": false,
      "decisive_test_note": "",
      "shared_components": []
    }
  ],
  "verification_summary": {
    "load_bearing_claims_checked": 66,
    "verified": 66,
    "unverified": 0,
    "contradicted": 0,
    "note": "Verified attribution is distinct from mechanism truth or complete body access."
  },
  "factual_issues_found": [],
  "cap_rules_applied": [
    {
      "subclaim_id": "SC2",
      "cap": "Γ",
      "cap_source": "rubric",
      "triggered": true,
      "trigger_text_quoted": "Mechanistic plausibility plus one-species or in vitro support caps at Γ.",
      "specific_trigger": "Prospective diseased-cohort associations, pathological samples and experimental animal injury together support plausible contribution. No examined causal human exposure instrument, controlled particle-removal clinical trial or sufficiently validated internal-dose bridge demonstrates the registered real-world human major-event dependency. Marfella uses all-cause death in its composite, not cardiovascular death alone. Animal plaque/cardiac injury remains causal in its experimental setting and cannot substitute for the human event claim.",
      "resulting_ceiling": "Γ"
    },
    {
      "subclaim_id": "SC3",
      "cap": "Γ",
      "cap_source": "rubric",
      "triggered": true,
      "trigger_text_quoted": "Correlational human data plus in vitro mechanism",
      "specific_trigger": "Endothelial, macrophage, cardiac and vascular models show multiple plausible particle-sensitive pathways; selected inhibitor or knockdown experiments narrow some experimental routes. Dose, surface chemistry, additive/metal coexposure, susceptible genotype and induced pathology determine these results. No mediator-specific human perturbation establishes particle-specific vascular inflammation as the clinical-event dependency at measured ordinary exposure.",
      "resulting_ceiling": "Γ"
    },
    {
      "subclaim_id": "SC5",
      "cap": "Β",
      "cap_source": "universal",
      "triggered": true,
      "trigger_text_quoted": "Pure association evidence — however large, however replicated — cannot exceed Β.",
      "specific_trigger": "Chemical-specific clinical-event evidence is observational: prospective coronary-disease case-control associations, residence-defined mortality and occupational estimates with differing confounding structures. Surrogate lipids and developmental imaging are not major events. In the examined corpus, no independent causal human instrument establishes the broad PFAS major-event claim. This does not adjudicate every PFAS compound, cancer, hepatic or developmental endpoint.",
      "resulting_ceiling": "Β"
    },
    {
      "subclaim_id": "SC6",
      "cap": "Γ",
      "cap_source": "universal",
      "triggered": true,
      "trigger_text_quoted": "Biomarker change without functional/phenotypic change caps at Γ.",
      "specific_trigger": "Randomized donation and randomized-sequence resin studies demonstrate lower serum concentrations of selected PFAS, with chemical-specific differential effects. This provides a genuine physiological intervention result but not clinical health improvement. The donation body reports no significant between-group improvement in several clinical laboratory panels, reduced hemoglobin after blood donation and more adverse events after plasma donation. Burden reduction alone retains the biomarker-to-health Γ ceiling.",
      "resulting_ceiling": "Γ"
    }
  ],
  "cap_precedence_resolutions": [
    {
      "collision": "Perturbation in a defined setting versus broader inference",
      "subclaim_scope_cap_binds_on": "Microplastic exposure at real-world human levels causally increases major adverse cardiovascular events.",
      "subclaim_scope_threshold_binds_on": "The precise experimentally tested subclaim scope",
      "resolution": "Animal administrations and cellular mediator interventions can establish effects in their actual experimental systems. They do not establish realistic human major-event dependency without a dose/exposure bridge. Human event associations retain their class limit; complementary causal evidence is not discarded by recapping its weakest component. PFAS serum-removal trials cross kinetics, not clinical health or plastic-particle removal.",
      "note": "Convergent lines are assessed as a set; one weak leg is not re-capped over the assembled case."
    }
  ],
  "boundary_check_BGD": [
    {
      "subclaim_id": "SC1",
      "field_valid_perturbation_quote": "\n- Genetic or pharmacologic intervention producing reproducible lifespan/healthspan extension\n- Must separate developmental effects from true aging effects\n- Biomarker change alone does NOT satisfy this threshold",
      "qualifying_evidence_present": "no",
      "qualifying_evidence_citation": "",
      "gamma_hard_rules_triggered": [
        "Detection and exposure provenance do not demonstrate a clinical dependency."
      ],
      "disease_phenotype_relevance": "yes",
      "perturbation_result_positive": "no",
      "perturbation_result_note": "Chemically identified polymers and selected microscopic corroboration support a real human internal-exposure finding in blood, cardiovascular tissue and surgical samples. However, detection does not identify the original exposure route, and some procedural or laboratory sources are directly documented. The causal exposure-to-tissue proposition remains partial-system support. This letter is not a rating of whether the particles exist or a claim that all detection is artifact.",
      "ceiling_from_boundary_check": "Γ"
    },
    {
      "subclaim_id": "SC2",
      "field_valid_perturbation_quote": "\n- Genetic or pharmacologic intervention producing reproducible lifespan/healthspan extension\n- Must separate developmental effects from true aging effects\n- Biomarker change alone does NOT satisfy this threshold",
      "qualifying_evidence_present": "no",
      "qualifying_evidence_citation": "",
      "gamma_hard_rules_triggered": [
        "No positive exact human exposure-specific clinical perturbation was examined."
      ],
      "disease_phenotype_relevance": "yes",
      "perturbation_result_positive": "no",
      "perturbation_result_note": "Prospective diseased-cohort associations, pathological samples and experimental animal injury together support plausible contribution. No examined causal human exposure instrument, controlled particle-removal clinical trial or sufficiently validated internal-dose bridge demonstrates the registered real-world human major-event dependency. Marfella uses all-cause death in its composite, not cardiovascular death alone. Animal plaque/cardiac injury remains causal in its experimental setting and cannot substitute for the human event claim.",
      "ceiling_from_boundary_check": "Γ"
    },
    {
      "subclaim_id": "SC3",
      "field_valid_perturbation_quote": "\n- Cell-type-specific conditional knockout or depletion\n- Pathway-specific blockade (not broad immunosuppression) changing disease course\n- Human targeted therapy with mechanistic alignment showing disease-modifying effect",
      "qualifying_evidence_present": "no",
      "qualifying_evidence_citation": "",
      "gamma_hard_rules_triggered": [
        "Experimental mediation lacks a realistic human exposure/clinical bridge."
      ],
      "disease_phenotype_relevance": "yes",
      "perturbation_result_positive": "no",
      "perturbation_result_note": "Endothelial, macrophage, cardiac and vascular models show multiple plausible particle-sensitive pathways; selected inhibitor or knockdown experiments narrow some experimental routes. Dose, surface chemistry, additive/metal coexposure, susceptible genotype and induced pathology determine these results. No mediator-specific human perturbation establishes particle-specific vascular inflammation as the clinical-event dependency at measured ordinary exposure.",
      "ceiling_from_boundary_check": "Γ"
    },
    {
      "subclaim_id": "SC4",
      "field_valid_perturbation_quote": "\n- Genetic or pharmacologic intervention producing reproducible lifespan/healthspan extension\n- Must separate developmental effects from true aging effects\n- Biomarker change alone does NOT satisfy this threshold",
      "qualifying_evidence_present": "no",
      "qualifying_evidence_citation": "",
      "gamma_hard_rules_triggered": [
        "No particle-removal clinical trial was examined."
      ],
      "disease_phenotype_relevance": "yes",
      "perturbation_result_positive": "no",
      "perturbation_result_note": "The examined human reduction trials manipulate soluble PFAS chemicals and report chemical-burden endpoints; they do not measure solid-particle clearance or establish cardiovascular benefit of removing particles. Observational particle cohorts do not test removal. The particle-removal clinical benefit remains Α within this bounded source set, not a proven negative or a claim that no future removal method could work.",
      "ceiling_from_boundary_check": "Γ"
    },
    {
      "subclaim_id": "SC5",
      "field_valid_perturbation_quote": "\n- Genetic or pharmacologic intervention producing reproducible lifespan/healthspan extension\n- Must separate developmental effects from true aging effects\n- Biomarker change alone does NOT satisfy this threshold",
      "qualifying_evidence_present": "no",
      "qualifying_evidence_citation": "",
      "gamma_hard_rules_triggered": [
        "Clinical-event support remains observational."
      ],
      "disease_phenotype_relevance": "yes",
      "perturbation_result_positive": "no",
      "perturbation_result_note": "Chemical-specific clinical-event evidence is observational: prospective coronary-disease case-control associations, residence-defined mortality and occupational estimates with differing confounding structures. Surrogate lipids and developmental imaging are not major events. In the examined corpus, no independent causal human instrument establishes the broad PFAS major-event claim. This does not adjudicate every PFAS compound, cancer, hepatic or developmental endpoint.",
      "ceiling_from_boundary_check": "Γ"
    },
    {
      "subclaim_id": "SC6",
      "field_valid_perturbation_quote": "\n- Genetic or pharmacologic intervention producing reproducible lifespan/healthspan extension\n- Must separate developmental effects from true aging effects\n- Biomarker change alone does NOT satisfy this threshold",
      "qualifying_evidence_present": "no",
      "qualifying_evidence_citation": "",
      "gamma_hard_rules_triggered": [
        "Serum burden falls without demonstrated clinical health improvement."
      ],
      "disease_phenotype_relevance": "yes",
      "perturbation_result_positive": "no",
      "perturbation_result_note": "Randomized donation and randomized-sequence resin studies demonstrate lower serum concentrations of selected PFAS, with chemical-specific differential effects. This provides a genuine physiological intervention result but not clinical health improvement. The donation body reports no significant between-group improvement in several clinical laboratory panels, reduced hemoglobin after blood donation and more adverse events after plasma donation. Burden reduction alone retains the biomarker-to-health Γ ceiling.",
      "ceiling_from_boundary_check": "Γ"
    }
  ],
  "thresholds_tested": [
    {
      "subclaim_id": "SC1",
      "threshold": "Δ",
      "requirement_quoted": "Requires at least one intervention changing lifespan or healthspan in a way consistent with the hypothesis.",
      "satisfied": "no",
      "supporting_evidence": [],
      "what_would_cross_it": "Validate exposure-to-tissue provenance using repeated chemically corroborated sampling with procedural blanks and source-specific exposure changes; keep analytical detection separate from disease causation."
    },
    {
      "subclaim_id": "SC2",
      "threshold": "Δ",
      "requirement_quoted": "Requires at least one intervention changing lifespan or healthspan in a way consistent with the hypothesis.",
      "satisfied": "no",
      "supporting_evidence": [],
      "what_would_cross_it": "Establish a replicated prospective population exposure contrast or valid natural mitigation experiment with internal-dose validation, adjudicated clinical endpoints and independent confounder control."
    },
    {
      "subclaim_id": "SC3",
      "threshold": "Δ",
      "requirement_quoted": "Requires pathway- or cell-type-resolved causal perturbation affecting disease or phenotype.",
      "satisfied": "no",
      "supporting_evidence": [],
      "what_would_cross_it": "Manipulate a specified mediator at realistic measured internal exposures, distinguish particles from additives and show altered vascular disease endpoints with rescue/specificity controls."
    },
    {
      "subclaim_id": "SC4",
      "threshold": "Δ",
      "requirement_quoted": "Requires at least one intervention changing lifespan or healthspan in a way consistent with the hypothesis.",
      "satisfied": "no",
      "supporting_evidence": [],
      "what_would_cross_it": "Demonstrate controlled particle-specific burden reduction followed by fewer adjudicated clinical events or better validated function, with harms measured."
    },
    {
      "subclaim_id": "SC5",
      "threshold": "Δ",
      "requirement_quoted": "Requires at least one intervention changing lifespan or healthspan in a way consistent with the hypothesis.",
      "satisfied": "no",
      "supporting_evidence": [],
      "what_would_cross_it": "Obtain compound-specific causal exposure instruments or natural mitigation contrasts tied to clinical events, with independent biomonitoring and confounding checks."
    },
    {
      "subclaim_id": "SC6",
      "threshold": "Δ",
      "requirement_quoted": "Requires at least one intervention changing lifespan or healthspan in a way consistent with the hypothesis.",
      "satisfied": "no",
      "supporting_evidence": [],
      "what_would_cross_it": "Test burden-lowering strategies against prespecified clinical health/function endpoints and adverse events; concentration change alone cannot cross the health threshold."
    }
  ],
  "generalization_check": {
    "generalization_tested": "no",
    "context_boundary_mapped": "yes",
    "internal_negative_controls": [
      "Male-versus-female LDLR-deficient mouse atherosclerosis effects.",
      "Unmodified-versus-functionalized particle clotting and size/dose contrasts.",
      "Barrier-damage CSF associations with null particle-cytokine associations.",
      "Low-dose mouse histology/behavior nulls despite biochemical changes.",
      "PFAS plasma-versus-blood-versus-observation with compound-specific contrasts and no laboratory-health improvement."
    ],
    "note": "No exact real-world human causal effect has a mapped exposure boundary. Animal sex, genotype, diet, dose and baseline injury boundaries are informative within experimental systems. Human sampling spans diseased arteries, surgery, healthy blood and transplantation, with different measurements. PFAS compounds and particles remain distinct; removing serum chemicals is not proof of improving every exposed person’s health."
  },
  "falsification_patterns_met": [
    {
      "pattern": "Inflammation-first mechanism is not universal across measured exposure contexts",
      "evidence": "CSF particle concentrations did not correlate with measured inflammatory cytokines despite barrier associations; anionic leakiness has noncytotoxic biophysical support.",
      "downgrade_applied": false
    },
    {
      "pattern": "Burden-lowering does not establish health improvement",
      "evidence": "Donation lowers PFAS but selected clinical laboratory panels do not improve significantly; no clinical event efficacy was assessed.",
      "downgrade_applied": false
    }
  ],
  "pitfalls_flagged": [
    {
      "pitfall": "Mistaking presence for primacy",
      "where": "Polymer detection in plaque or thrombi does not establish the cause of pre-existing vascular disease."
    },
    {
      "pitfall": "Association dressed as mechanism",
      "where": "Adjusted hazard/odds estimates and statistical lipid mediation are not isolated causal perturbations."
    },
    {
      "pitfall": "Selective generalization",
      "where": "High-dose, susceptible-genotype and induced-disease models cannot define ordinary human exposure without calibration."
    },
    {
      "pitfall": "Confirmation by biomarker",
      "where": "Serum PFAS reduction, ROS and pathway readouts are not clinical health benefit."
    },
    {
      "pitfall": "Mechanism conflation",
      "where": "Plastic particles, adsorbed metals, additives and PFAS chemicals require distinct attribution."
    },
    {
      "pitfall": "Scope fitted to outcome",
      "where": "Surgical/diseased cohorts and experimental sex/genotype boundaries are explicit; no post-outcome susceptible subgroup rescues full scope."
    }
  ],
  "causal_tally_audit": {
    "tally_claimed_by_document": 0,
    "tally_after_audit": 0,
    "tally_unit": "Positive qualifying study units across scoped subclaims, not independent causal lines or full-claim necessity/sufficiency.",
    "screened_discriminating_contrasts": 31,
    "items_rejected": [
      "Null and negative contrasts are discriminators, not positive threshold crossings. Reports and replications are not independent causal lines.",
      "No positive qualifying real-world human SC2 causal study unit was examined.",
      "Animal positive experimental injury is not independently calibrated human exposure; simulations, cytokines and dose assertions alone earn no clinical causal credit.",
      "PFAS chemical burden-removal successes do not count as particle removal or clinical health crossings."
    ]
  },
  "steelman": {
    "case_one_rung_higher": "Δ could be defended from a prospective human event cohort combined with animal atherosclerosis, vascular obstruction and cardiac-function perturbations. The strongest version would require validated dose translation or a natural human exposure instrument that excludes disease-related retention and coexposure explanations.",
    "case_one_rung_lower": "Β could be defended from the observational human outcome evidence alone. That would understate directly administered particle injury and experimentally narrowed cellular/vascular routes, while correctly insisting that these do not establish ordinary-exposure human MACE.",
    "which_rejected": "Reject Δ for the primary proposition because ordinary-dose human clinical dependency lacks a validated causal bridge; reject Β for the assembled plausibility claim because experimental injury supplies partial-system support. Retain Γ Moderate. PFAS clinical-event SC5 remains Β and does not inherit the particle experiments.",
    "blocking_cap_threshold_or_missing_experiment": "Missing experiment: A prospective natural exposure-mitigation study compares baseline-defined communities affected by a specific verified source with matched independent control communities. Register polymer/particle sizes, chemical coexposures, repeated internal-dose assays, clean procedural blanks, baseline vascular risk and adjudicated myocardial infarction/stroke/cardiovascular-death endpoints. Separately randomize a lawful safe chemical-burden-lowering strategy in appropriately eligible PFAS-exposed adults to prespecified clinical function/health and harm outcomes; do not equate serum decline with success."
  },
  "final_score": {
    "hsef_level": "Γ",
    "hsef_descriptor": "Mechanistically plausible, partial system support",
    "confidence": "Moderate",
    "confidence_rationale": "Multiple independent studies with some replication, but persistent assay-level and methodological heterogeneity (discordant spectroscopy versus pyrolysis detection, documented procedural contamination sources, dose and model heterogeneity) keep the band at Moderate. Confidence reflects evidence density and reproducibility, not reviewer access or correctness.",
    "rests_on_non_peer_reviewed_work": false,
    "rationale": "The preregistered primary-subclaim rule returns Γ from the human particle-event SC2. Fifty-nine original reports include analytical studies, experimental injury, human observational outcomes and distinct PFAS kinetics/removal. Experimental plausibility and prospective association do not yet establish the exposure-specific human cardiovascular dependency. Genuine detection and genuine PFAS burden reduction are retained without converting them to demonstrated clinical harm or detox benefit."
  },
  "role_of_mechanism": {
    "classification": "epiphenomenon",
    "derivation_step_matched": 2,
    "derivation": "For the exact human cardiovascular-event proposition, causal dependency in either direction is not demonstrated by the examined studies, so the framework step 2 label applies. This records unresolved causal attribution, not proof that particles are inert; experimental injury and plausible disease-related retention are stated separately.",
    "tournament_used_as_tiebreaker": false,
    "note": "Derived from causal direction, not tournament rank."
  },
  "extended_scoring_MSD": {
    "momentum": {
      "value": "Mechanistic only",
      "artifact": "Recent particle injury studies use inhibitor/knockdown, imaging and genotype/sex contrasts, while human event reports remain observational. PFAS donation/resin trials establish kinetics but not the clinical boundary. No verified named pending exact particle-removal event trial was identified.",
      "justification": "Recent particle injury studies use inhibitor/knockdown, imaging and genotype/sex contrasts, while human event reports remain observational. PFAS donation/resin trials establish kinetics but not the clinical boundary. No verified named pending exact particle-removal event trial was identified."
    },
    "stability": {
      "value": "Stable",
      "trigger": "No verified named pending hard-event causal exposure or removal result was identified in this bounded search; a hypothetical natural mitigation study is a proposed experiment, not a pending trigger.",
      "justification": "No verified named pending hard-event causal exposure or removal result was identified in this bounded search; a hypothetical natural mitigation study is a proposed experiment, not a pending trigger."
    },
    "divergence": {
      "implied_level": null,
      "implied_level_basis": "Detection reports, cautious event epidemiology, toxicology and detox promotion make different propositions; no single measured field-implied letter was established.",
      "assessed_level": "Γ",
      "gap_in_rungs": null,
      "value": "Contested",
      "justification": "No manufactured belief arithmetic or clinical risk estimate is inferred from provider meters or publication volume."
    },
    "calibration_note": "M/S/D never modify HSEF level or confidence."
  },
  "change_record": {
    "applies": false,
    "prior_level": "none assigned",
    "prior_confidence": null,
    "prior_source": null,
    "derived_before_consulting_prior": true,
    "new_level": "Γ",
    "direction": "newly assigned",
    "what_moved_it": "Fresh primary evidence appraisal; not blinded.",
    "divergence_from_other_reviewers": null
  },
  "proposed_decisive_experiments": [
    {
      "name": "Registered boundary experiment",
      "experiment": "A prospective natural exposure-mitigation study compares baseline-defined communities affected by a specific verified source with matched independent control communities. Register polymer/particle sizes, chemical coexposures, repeated internal-dose assays, clean procedural blanks, baseline vascular risk and adjudicated myocardial infarction/stroke/cardiovascular-death endpoints. Separately randomize a lawful safe chemical-burden-lowering strategy in appropriately eligible PFAS-exposed adults to prespecified clinical function/health and harm outcomes; do not equate serum decline with success.",
      "readout": "Repeated chemical/particle-resolved internal burden, clinical cardiovascular events, objective function and adverse effects; distinguish all-cause death from cardiovascular death.",
      "critical_control": "Independent laboratory and endpoint adjudication, matched baseline risk, source-specific coexposure tracking, repeat sampling, procedural blanks and negative exposure controls; no retrospective susceptible-group selection.",
      "supporting_result": "A source-linked exposure decrease preceding an independent clinical trajectory change, with mediation/dose calibration and confounder-resistant controls, would support a human causal crossing. Separate clinical benefit after verified PFAS removal would support SC6.",
      "falsifying_result": "Persistent event risk despite verified meaningful burden reduction or disappearance of associations under validated contamination/coexposure controls would narrow the causal model; a removal biomarker success without health improvement does not establish detox efficacy."
    }
  ],
  "knowledge_gaps": [
    {
      "name": "Gap 1",
      "statement": "Standardized particle-resolved internal dosimetry and procedural contamination controls across human cohorts.",
      "relevance": "Limits mechanism identification or scope."
    },
    {
      "name": "Gap 2",
      "statement": "Independent prospective clinical-event cohorts outside pre-existing disease/surgical selection, with cardiovascular death separated from all-cause death.",
      "relevance": "Limits mechanism identification or scope."
    },
    {
      "name": "Gap 3",
      "statement": "Validated natural exposure-mitigation contrasts and causal instruments; no unethical deliberate human exposure trial is required.",
      "relevance": "Limits mechanism identification or scope."
    },
    {
      "name": "Gap 4",
      "statement": "Realistic dose, polymer/size/surface, sex/genotype and additive controls for mediator-specific vascular experiments.",
      "relevance": "Limits mechanism identification or scope."
    },
    {
      "name": "Gap 5",
      "statement": "Controlled human plastic-particle burden removal with clinical benefit-harm endpoints, distinct from chemical serum kinetics.",
      "relevance": "Limits mechanism identification or scope."
    },
    {
      "name": "Gap 6",
      "statement": "Compound-specific PFAS clinical-event attribution and controlled removal-health outcomes, rather than extrapolation from lipids or blood concentration.",
      "relevance": "Limits mechanism identification or scope."
    }
  ],
  "review_metadata": {
    "review_date": "2026-10-13",
    "reviewer": "Codex",
    "evidence_base_note": "59 primary reports; literature cutoff 2026-10-13; source examination UTC date 2026-10-13; bounded critical review, not exhaustive systematic review.",
    "literature_tools_available": true,
    "literature_tools_note": "Life Sciences Literature PubMed/Entrez, separately logged public original-body retrieval, and Consensus Pro browser searches. Provider output retained as observed browser text with citation-link mappings, or as previously exported connector documents where present. AI synthesis is not primary full-text verification. Consensus retrieved/included counts are not examined-primary counts. Scite monthly limit was reached earlier in this session; no new Scite query or incoming citation-context audit is claimed for these cases. Tool receipts record actual use. Supplementary discovery outputs do not earn primary-count credit. No independent blinded review.",
    "skill_version": "5.3",
    "validator_run": "PASS: exact archived HSEF v5.3 validator rerun after final sealing.",
    "validator_warnings_addressed": "No warnings.",
    "limits": "Bounded source-based critical review; no complete-paper/supplement audit, independent scientific peer review or blinded calibration. Revision cases retain original prose outside the three framework output blocks and have explicit correction logs."
  },
  "is_calibration_entry": {
    "value": false,
    "entry_role": "not_calibration",
    "blind_graded": null,
    "completed_blinded_calibration": false,
    "expected_band_sealed_at": "",
    "target_sha256": "",
    "target_authorship": "not applicable",
    "target_author_saw_review": null,
    "future_run_status": "not prepared",
    "unblinded_reason": "These topic families were selected from an editorial traffic-priority list. Selection was visible; no blind calibration or predetermined clinical verdict was preregistered."
  },
  "upper_ladder_check": {
    "final_level_below_zeta": true,
    "equivalents_considered": [
      {
        "kind": "mendelian_randomization",
        "available": false,
        "why_not_sufficient": "Natural contamination mitigation, independent exposure instruments and controlled safe burden reduction can make upper rungs reachable without intentionally exposing humans to suspected harm. The examined particle cohorts and PFAS ecological/occupational contrasts do not yet provide a validated hard-event causal exposure instrument. Burden-lowering trials lack clinical benefit endpoints; animal administrations lack a calibrated ordinary human dose bridge."
      },
      {
        "kind": "natural_experiment",
        "available": true,
        "why_not_sufficient": "Natural contamination mitigation, independent exposure instruments and controlled safe burden reduction can make upper rungs reachable without intentionally exposing humans to suspected harm. The examined particle cohorts and PFAS ecological/occupational contrasts do not yet provide a validated hard-event causal exposure instrument. Burden-lowering trials lack clinical benefit endpoints; animal administrations lack a calibrated ordinary human dose bridge."
      },
      {
        "kind": "dose_response_across_populations",
        "available": false,
        "why_not_sufficient": "Natural contamination mitigation, independent exposure instruments and controlled safe burden reduction can make upper rungs reachable without intentionally exposing humans to suspected harm. The examined particle cohorts and PFAS ecological/occupational contrasts do not yet provide a validated hard-event causal exposure instrument. Burden-lowering trials lack clinical benefit endpoints; animal administrations lack a calibrated ordinary human dose bridge."
      },
      {
        "kind": "withdrawal_rechallenge",
        "available": false,
        "why_not_sufficient": "Natural contamination mitigation, independent exposure instruments and controlled safe burden reduction can make upper rungs reachable without intentionally exposing humans to suspected harm. The examined particle cohorts and PFAS ecological/occupational contrasts do not yet provide a validated hard-event causal exposure instrument. Burden-lowering trials lack clinical benefit endpoints; animal administrations lack a calibrated ordinary human dose bridge."
      },
      {
        "kind": "therapeutic_perturbation_hard_endpoint",
        "available": false,
        "why_not_sufficient": "Natural contamination mitigation, independent exposure instruments and controlled safe burden reduction can make upper rungs reachable without intentionally exposing humans to suspected harm. The examined particle cohorts and PFAS ecological/occupational contrasts do not yet provide a validated hard-event causal exposure instrument. Burden-lowering trials lack clinical benefit endpoints; animal administrations lack a calibrated ordinary human dose bridge."
      }
    ],
    "convergence_present": false,
    "cap_reapplied_to_convergent_set": false
  },
  "provenance_header": {
    "sources_total": 59,
    "claims_total": 66,
    "claims_verified": 66,
    "claims_unverified": 0,
    "claims_contradicted": 0,
    "tier_a_sources": 59,
    "generated_by": "Codex; HSEF v5.3",
    "gate_passed": true
  },
  "claims": [
    {
      "id": "C1",
      "text": "Prospective carotid-surgery cohort follows 257 of 304 enrolled for about 34 months; plaque polymers associate with a composite of myocardial infarction, stroke or all-cause death. The reported 4.53 hazard ratio is observational and the composite includes all-cause death; diseased-plaque selection, residual confounding and contamination do not isolate particle causation.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC2",
        "SC3"
      ],
      "source_ns": [
        1
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 0:METHODS:paragraph0, 0:METHODS:paragraph1, 0:METHODS:paragraph2, 0:METHODS:paragraph3, 0:METHODS:paragraph5, 1:RESULTS:paragraph0, 1:RESULTS:paragraph1, 1:RESULTS:paragraph2, 1:RESULTS:paragraph5, 1:RESULTS:paragraph6, 2:DISCUSSION:paragraph3, 2:DISCUSSION:paragraph4. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C2",
      "text": "Contamination-controlled pilot blood analysis finds particles in 20 stroke patients and 15 controls; the within-study particle-count difference is not significant. An exploratory pooled external healthy reference produces a positive comparison with heterogeneous assays; it cannot establish disease-specific elevation or causation.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC2"
      ],
      "source_ns": [
        2
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C3",
      "text": "Raman blood-particle workflow uses negative and positive controls plus clinical-material reference spectra to trace contamination and chemically identify polymers. An analytical detection protocol does not quantify prospective cardiovascular risk or particle-specific clinical harm.",
      "carries_number": false,
      "load_bearing_for": [
        "SC1"
      ],
      "source_ns": [
        3
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C4",
      "text": "Ileal biopsy screening identifies many apparent subepithelial particles as procedural contaminants; limited remaining observations illustrate translocation and chemical cross-checks. Suspect particles include starch and a viscose fibre; the framework is not cardiovascular tissue evidence or causal injury.",
      "carries_number": false,
      "load_bearing_for": [
        "SC1"
      ],
      "source_ns": [
        4
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C5",
      "text": "Label-free O-PTIR and microtomy localize and identify plastics in exposed aquatic and terrestrial experimental organisms. Method validation in Daphnia, flies and worms does not establish human cardiovascular accumulation or clinical effects.",
      "carries_number": false,
      "load_bearing_for": [
        "SC1"
      ],
      "source_ns": [
        5
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C6",
      "text": "Paired human endometrial and urine samples demonstrate complementary Raman particle morphology and pyrolysis polymer sensitivity, with discordant polymer detection. Different assay sensitivities and nonvascular tissue prevent treating bulk mass, particle number and clinical cardiovascular burden as interchangeable.",
      "carries_number": false,
      "load_bearing_for": [
        "SC1"
      ],
      "source_ns": [
        6
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C7",
      "text": "Hydrogel tissue-clearing fluorescence workflow with spiked controls and artifact benchmarks resolves a submicrometer fraction in human placenta that bulk-mass methods miss. Nile Red-based identity still requires chemical corroboration; placental analytic validation does not prove vascular toxicity or clinical risk.",
      "carries_number": false,
      "load_bearing_for": [
        "SC1"
      ],
      "source_ns": [
        7
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C8",
      "text": "O-PTIR identifies mixed-polymer uptake and metabolic spectral changes in intestinal cells after 24-hour exposure at 25-100 micrograms per mL. Cell stress at the administered concentration does not establish realistic human vascular exposure, specific mediation or clinical disease.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC3"
      ],
      "source_ns": [
        8
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C9",
      "text": "Post-mortem intestinal screening in 55 adults identifies suspected plastic-like fluorescent particles and exploratory inflammation co-occurrence. The assay is not polymer-specific and unadjusted heterogeneous pathology does not establish true particle identity or causal inflammation.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC3"
      ],
      "source_ns": [
        9
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C10",
      "text": "Nineteen-week gavage of 50-nm polystyrene at 2.5-250 mg per kg with high-fat diet aggravates ApoE-knockout arterial stiffness and plaque formation with MARCO and acylcarnitine changes. High doses, susceptible genotype and diet are experimental conditions, not demonstrated real-world human exposure or isolated human mediation.",
      "carries_number": true,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        10
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C11",
      "text": "Chemical FTIR blood analysis in 20 healthy volunteers identifies multiple polymers and reports procedural blanks and particle size distributions. Detection and hypotheses about thrombosis do not establish prospective cardiovascular risk; mass and number thresholds differ.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1"
      ],
      "source_ns": [
        11
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C12",
      "text": "Nanoplastic exposure produces cardiac senescence and oxidative-stress mitochondrial-DNA and cGAS-STING changes in cell and animal models. Senescence markers and pathway activation do not demonstrate clinical cardiac events or pathway necessity at human exposures.",
      "carries_number": false,
      "load_bearing_for": [
        "SC3"
      ],
      "source_ns": [
        12
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C13",
      "text": "Heart-associated tissue and paired blood sampling in 15 cardiac-surgery patients identifies polymers with postoperative changes in type and size distributions. Surgical introduction and diseased-tissue selection complicate exposure inference; detection is not proof that particles caused the indication for surgery.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC2"
      ],
      "source_ns": [
        13
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C14",
      "text": "Pyrolysis analysis finds polymer mass in 17 arterial samples, with higher concentrations in plaque-bearing coronary and carotid arteries than plaque-free aortas. Vascular site and plaque status differ together; bulk polymer detection and cross-sectional comparison do not isolate particle-induced atherosclerosis.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC2"
      ],
      "source_ns": [
        14
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C15",
      "text": "Administered polystyrene induces oxidative injury and hypertrophic changes in mice and human-derived cardiac organoids, including an asserted low internal-exposure concentration. Organoid exposure equivalence is not validated human pharmacokinetics; cardiac markers and wall thickness are not major adverse human clinical events.",
      "carries_number": false,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        15
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C16",
      "text": "Three-month polystyrene exposure produces aortic plaques in ApoE-knockout mice alongside hepatic lipid disturbances; macrophage experiments show ox-LDL coexposure effects. A susceptible strain and lipid context define experimental causality; dose translation and particle-specific human clinical mediation remain untested.",
      "carries_number": false,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        16
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C17",
      "text": "Cross-sectional chest-pain cohort of 101 participants associates blood polymer levels with ACS severity, vascular complexity and immune-inflammatory measures. Disease and exposure are measured together; reverse causation, procedural contamination and confounding preclude clinical causal inference.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC2",
        "SC3"
      ],
      "source_ns": [
        17
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C18",
      "text": "Cardiac organoid-on-chip exposure reveals time- and pathological-state-dependent polystyrene toxicity; low-dose effects are stronger in infarction-like models than healthy models. A constructed infarction state and administered particles do not establish real-world human MACE or define clinical susceptibility prospectively.",
      "carries_number": false,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        18
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C19",
      "text": "Prospective post-MI cohort follows 110 of 142 patients for about 31.5 months; coronary PVC concentration associates with MACE and inflammatory markers, with an additional 21-patient thrombus sample. Observational odds estimates are not randomized risks; the abstract's fold-increase wording differs from its listed OR, so numeric causal-risk conversion is withheld.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC2",
        "SC3"
      ],
      "source_ns": [
        19
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C20",
      "text": "Multimodal chemical and microscopic testing finds polymers in 24 of 30 thrombi across stroke, MI and DVT, with burden-severity associations. Thrombus sampling after clinical disease cannot establish temporal particle causation; mass, morphology and site differ.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC2"
      ],
      "source_ns": [
        20
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C21",
      "text": "Individual and combined polystyrene and F-53B exposure produce mouse vascular injury and endothelial inflammatory pathway changes. PFAS analogue and particle coexposure are distinct; combined toxicity cannot identify the source of real-world human cardiovascular events.",
      "carries_number": true,
      "load_bearing_for": [
        "SC3",
        "SC5"
      ],
      "source_ns": [
        21
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C22",
      "text": "Thirty-five-day polystyrene and cadmium exposure in male mice produces cardiac injury and death-pathway changes, greater with combined exposure. Claimed environmental relevance does not establish human internal dose; cadmium, sickness and pathway markers limit particle-specific clinical attribution.",
      "carries_number": false,
      "load_bearing_for": [
        "SC3"
      ],
      "source_ns": [
        22
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C23",
      "text": "Nineteen-week polystyrene exposure in ApoE-knockout high-fat-fed mice accompanies plaque development and smooth-muscle migration changes with Kif15 knockdown experiments. Shared dose, duration and experimental platform with related MARCO work require conservative independence grouping; cell migration is not an isolated human clinical mediator.",
      "carries_number": true,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        23
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C24",
      "text": "Mouse in-vivo imaging connects circulating particle-phagocyte aggregates with cortical microvascular obstruction, reduced flow and neurobehavioral abnormalities. Administered bloodstream exposure and species-specific capillary conditions do not quantify typical human oral exposure or clinical stroke incidence.",
      "carries_number": false,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        24
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C25",
      "text": "Inhaled 5-micrometer polystyrene impaired mouse cardiac function and induced fibrosis; ferroptosis/HIF/oxidative-stress inhibitors improved selected cellular injury measures. Inhalation-model doses, cell inhibitor effects and fibrosis do not establish human MACE at measured real-world internal exposures.",
      "carries_number": true,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        25
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C26",
      "text": "PET network-toxicology predictions were followed by VSMC experiments showing oxidative stress, mitochondrial changes and apoptosis. Docking/simulations are not causal items; cell validation without whole-organism clinical events cannot prove particle-specific vascular mediation.",
      "carries_number": false,
      "load_bearing_for": [
        "SC3"
      ],
      "source_ns": [
        26
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C27",
      "text": "Daily 10 mg/kg gavage for nine weeks increased aortic-root lesions in lean male LDLR-deficient mice but not females, without lipid or adiposity change. The sex boundary and sensitized genotype are experimental; the brachiocephalic estimate was nonsignificant, and asserted environmental relevance is not validated human dose equivalence.",
      "carries_number": true,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        27
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C28",
      "text": "Carboxylated polystyrene induced endothelial adhesion/leukocyte activation in cells and aortic cytokine/adhesion changes in exposed mice. Inflammatory markers and particle clearance do not establish human clinical events or pathway-specific necessity.",
      "carries_number": false,
      "load_bearing_for": [
        "SC3"
      ],
      "source_ns": [
        28
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C29",
      "text": "PE/PVC-exposed endothelial cells showed inflammatory/redox injury; evolocumab improved selected measures and SIRT6 silencing removed some benefit. Concentrations of 30-70 micrograms/mL, transient cell silencing and pleiotropic drug rescue cannot establish preventive clinical treatment or human MACE mediation.",
      "carries_number": true,
      "load_bearing_for": [
        "SC3"
      ],
      "source_ns": [
        29
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C30",
      "text": "Pyrolysis analysis found much higher polymer mass in ten femoral plaques from eight patients than thirty decedent carotid controls. Vessel site, tissue type, clinical disease and collection circumstances differ; bulk mass and small cross-sectional comparisons do not prove particle-caused disease.",
      "carries_number": false,
      "load_bearing_for": [
        "SC1",
        "SC2"
      ],
      "source_ns": [
        30
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C31",
      "text": "Anionic polystyrene/PMMA disrupted endothelial cadherin junctions in dose-dependent cell, ex-vivo and animal assays, without linkage to several cytotoxic stress routes. Biophysical leakiness offers an alternative to universal inflammation-first explanations but does not demonstrate human exposure-specific clinical events.",
      "carries_number": false,
      "load_bearing_for": [
        "SC3"
      ],
      "source_ns": [
        31
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C32",
      "text": "Fecal particles correlated with aortic calcification in 47 patients; polystyrene caused mild rat calcification and worsened vitamin-D/nicotine-induced disease. Fecal exposure and cross-sectional calcification are not human MACE; experimental coexposure and gut effects do not isolate realistic human causation.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC2",
        "SC3"
      ],
      "source_ns": [
        32
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C33",
      "text": "County-level marine particle categories associated with higher adjusted prevalence of diabetes, coronary disease and stroke near US coastlines. Ecological water categories are not individual internal exposure; spatial socioeconomic confounding and prevalence cannot establish person-level causation.",
      "carries_number": false,
      "load_bearing_for": [
        "SC2"
      ],
      "source_ns": [
        33
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C34",
      "text": "Whole-blood thromboelastography found size/concentration-dependent clot activation with carboxylated polystyrene, while unmodified particles often had little effect. Surface chemistry and ex-vivo clotting differ from spontaneous clinical thrombosis at ordinary exposures; assay activation is not human MACE.",
      "carries_number": false,
      "load_bearing_for": [
        "SC3"
      ],
      "source_ns": [
        34
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C35",
      "text": "Polystyrene-exposed primary rat cardiomyocytes developed iron/oxidative injury and reduced viability, with deferoxamine restoring selected cellular outcomes. Cell rescue supports a pathway in that model, not organismal clinical cardiovascular injury or particle-specific human dose relevance.",
      "carries_number": false,
      "load_bearing_for": [
        "SC3"
      ],
      "source_ns": [
        35
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C36",
      "text": "Particles and lead co-occurred in aortic disease samples; combined mouse exposure damaged aortic structure and cell rescue reduced selected oxidative/death signals. Metal coexposure, cell pharmacology and vascular injury cannot partition particle versus lead contribution to human cardiovascular events.",
      "carries_number": false,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        36
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C37",
      "text": "Paired blood and carotid plaque polymer measurements in twenty surgery patients showed tissue-specific distributions and modest total-burden correlation. Diseased-tissue selection and polymer-mass measurements do not establish particle number, baseline general-population exposure or causal clinical harm.",
      "carries_number": false,
      "load_bearing_for": [
        "SC1",
        "SC2"
      ],
      "source_ns": [
        37
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C38",
      "text": "Particles aggravated monocrotaline rat pulmonary hypertension; HK2 knockdown counteracted endothelial transition and lactylation changes in cells. Pre-existing induced disease, airway administration and cell mediator perturbation do not prove isolated human MACE causation or in-vivo mediator necessity.",
      "carries_number": true,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        38
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C39",
      "text": "Paired samples from 22 children showed increased polymer mass and particle counts after cardiopulmonary bypass, with procedure-time and leukocyte associations. Surgery provides a credible exposure source but concurrent injury/inflammation and no unexposed control prevent attribution of clinical harm to particles.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC3"
      ],
      "source_ns": [
        39
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C40",
      "text": "Six-week oral polystyrene caused mouse apoptosis, fibrosis and dysfunction and worsened isoprenaline injury; HIPK2 inhibition reduced selected cardiotoxicity. Mouse dose and pathological-state manipulation do not establish human environmental internal exposure or major-event causation.",
      "carries_number": true,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        40
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C41",
      "text": "Validated pyrolysis workflow quantified several polymers in blood from 22 healthy volunteers, with polypropylene below quantification. Polymer mass above assay thresholds is not particle-resolved cardiovascular risk, and detection alone cannot establish toxicity.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1"
      ],
      "source_ns": [
        41
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C42",
      "text": "Primary human and THP1-derived macrophages took up polystyrene beads with size/concentration-dependent metabolic activity, necrosis and ROS. Cell uptake and stress cannot prove upstream clinical vascular inflammation or physiological exposure equivalence.",
      "carries_number": true,
      "load_bearing_for": [
        "SC3"
      ],
      "source_ns": [
        42
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C43",
      "text": "Twenty-eight-day oral polystyrene showed size/dose-dependent distribution and biochemical changes in mice, without abnormal behavior or weight change; low-dose organs lacked severe histology. Fluorescence, proxy changes and mild/null phenotypes do not establish human cardiac events; negative observations remain part of the record.",
      "carries_number": false,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        43
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C44",
      "text": "PET exposure worsened infarction and neurologic deficits in experimentally occluded mice with microglial/oxidative changes. Aggravation after induced ischemia is not increased spontaneous human stroke incidence; computational target predictions are not independent causal evidence.",
      "carries_number": false,
      "load_bearing_for": [
        "SC2",
        "SC3"
      ],
      "source_ns": [
        44
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C45",
      "text": "Twenty-eight CSF samples associated some polymers with barrier-damage markers but did not associate particle concentrations with IL6 or IL8. Infection-related barrier injury provides a reverse-direction alternative; small cross-sectional CSF data do not disprove all vascular inflammation mechanisms.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC3"
      ],
      "source_ns": [
        45
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C46",
      "text": "PFAS-related metabolite patterns in 187 longitudinally sampled controls associated inversely with triglycerides but not cholesterol. Metabolomic correlations and an inferred pathway are not clinical cardiovascular events or chemical-specific causal instruments.",
      "carries_number": true,
      "load_bearing_for": [
        "SC5"
      ],
      "source_ns": [
        46
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C47",
      "text": "Repeated PFAS/lipid measurements in 490 children associated later childhood exposures with several lipid fractions and sex-dependent patterns. Lipids are surrogate risk measures; repeated observational sampling does not prove adult major-event causation.",
      "carries_number": true,
      "load_bearing_for": [
        "SC5"
      ],
      "source_ns": [
        47
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C48",
      "text": "Maternal PFAS measured early in pregnancy associated with offspring cardiac-wall and vascular morphology at age four in 957 children. Mixture models and developmental morphology are not adult MACE; thinner carotid thickness is not automatically an atherosclerotic adverse-event mechanism.",
      "carries_number": true,
      "load_bearing_for": [
        "SC5"
      ],
      "source_ns": [
        48
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C49",
      "text": "Repeated PIVUS sampling documented chemical-specific increases and decreases in serum PFAS across ages 70-80, including a local PFHxS contamination signal. Exposure kinetics are not clinical risk or removal benefit; repeated reports from this cohort do not create independent investigations.",
      "carries_number": true,
      "load_bearing_for": [
        "SC5",
        "SC6"
      ],
      "source_ns": [
        49
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C50",
      "text": "PIVUS residents receiving more contaminated water showed increasing serum PFHxS, unlike several other chemicals. Water-source contrast demonstrates an exposure pathway, not a chemical-specific cardiovascular-event effect or improved health after removal.",
      "carries_number": false,
      "load_bearing_for": [
        "SC5",
        "SC6"
      ],
      "source_ns": [
        50
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C51",
      "text": "A prospective diabetes/PCI nested case-control analysis associated baseline PFAS mixtures and lipidomic patterns with two-year MACCE odds. Statistical lipid mediation, selected coronary disease and residual confounding do not establish chemical causation; ambiguous indexed case-pair wording is not expanded into a verified case count.",
      "carries_number": false,
      "load_bearing_for": [
        "SC5"
      ],
      "source_ns": [
        51
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C52",
      "text": "Ten-person crossover interventions increased fecal PFOS excretion with cholestyramine and lowered serum PFOS with colesevelam versus observation; probenecid did not improve urinary PFOS. Chemical elimination and serum decline are not clinical health outcomes; very small crossover data cannot validate retail detox or a benefit-harm profile.",
      "carries_number": false,
      "load_bearing_for": [
        "SC6",
        "SC4"
      ],
      "source_ns": [
        52
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C53",
      "text": "Randomized-sequence open-label crossover in 45 highly exposed adults reduced serum PFOS by about 60% with anion-exchange resin versus observation. Primary endpoint was serum concentration, not clinical benefit; absence of serious events in a small short study is not proof of broad safety or efficacy of detox products.",
      "carries_number": true,
      "load_bearing_for": [
        "SC6",
        "SC4"
      ],
      "source_ns": [
        53
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C54",
      "text": "Randomized 285-firefighter trial reduced selected serum PFAS; body Results distinguish within-group from between-group chemical contrasts and report no improvement in several laboratory-health panels. Burden reduction is not clinical-event efficacy or demonstrated particle clearance; blood donation lowered hemoglobin and plasma donation had more adverse events. Donor eligibility and sex distribution restrict scope.",
      "carries_number": true,
      "load_bearing_for": [
        "SC6",
        "SC4"
      ],
      "source_ns": [
        54
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 1:Methods:paragraph0, 1:Methods:paragraph1, 1:Methods:paragraph3, 1:Methods:paragraph5, 1:Methods:paragraph6, 1:Methods:paragraph7, 2:Results:paragraph0, 2:Results:paragraph1, 2:Results:paragraph2, 2:Results:paragraph3, 2:Results:paragraph4, 2:Results:paragraph5, 2:Results:paragraph6, 2:Results:paragraph7, 2:Results:paragraph8, 2:Results:paragraph9, 2:Results:paragraph11, 2:Results:paragraph13, 2:Results:paragraph14, 2:Results:paragraph15. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C55",
      "text": "Occupational PFOS-equivalent analysis found excess cerebrovascular mortality in the highest exposure quartile relative to national expectations, with many imprecise/null within-cohort estimates. Healthy-worker effects, exposure reconstruction and reference comparisons limit causal inference; chemical mixtures are not plastic particles.",
      "carries_number": false,
      "load_bearing_for": [
        "SC5"
      ],
      "source_ns": [
        55
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C56",
      "text": "Residence-defined PFAS-contaminated Italian municipalities had higher all-cause and selected cardiovascular mortality than regional expectations. Geographic exposure, assumed contamination onset and regional confounding do not isolate chemical-specific human causal events.",
      "carries_number": false,
      "load_bearing_for": [
        "SC5"
      ],
      "source_ns": [
        56
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C57",
      "text": "A small highly exposed male factory cohort showed elevated mortality for selected hepatic, diabetes and cancer outcomes compared with reference groups. The abstract does not establish a specific cardiovascular-event effect; coexposures and limited confounder control prevent broad PFAS-MACE extrapolation.",
      "carries_number": false,
      "load_bearing_for": [
        "SC5"
      ],
      "source_ns": [
        57
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C58",
      "text": "A prospective nested case-control study found mostly nonsignificant inverse PFAS-diabetes associations and lower insulin resistance in controls. A noncardiovascular outcome is a boundary against uniform metabolic-harm claims, not proof that PFAS cannot cause cardiovascular harm.",
      "carries_number": false,
      "load_bearing_for": [
        "SC5"
      ],
      "source_ns": [
        58
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "C59",
      "text": "Multimodal polymer measurements in 28 donor tissues found mostly nonsignificant exploratory associations with recipient blood pressure 15 days after transplantation. Short postoperative proxies and many tissue/polymer comparisons cannot establish particle-caused MACE; unclear indexed regression/FDR wording is not interpreted as a causal numerical result.",
      "carries_number": true,
      "load_bearing_for": [
        "SC1",
        "SC2"
      ],
      "source_ns": [
        59
      ],
      "verification": "verified",
      "verified_against": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "CSC1",
      "text": "Chemically identified polymers and selected microscopic corroboration support a real human internal-exposure finding in blood, cardiovascular tissue and surgical samples. However, detection does not identify the original exposure route, and some procedural or laboratory sources are directly documented. The causal exposure-to-tissue proposition remains partial-system support. This letter is not a rating of whether the particles exist or a claim that all detection is artifact.",
      "carries_number": false,
      "load_bearing_for": [
        "SC1"
      ],
      "source_ns": [
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
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        11,
        13,
        14,
        17,
        19,
        20,
        30,
        32,
        37,
        39,
        41,
        45,
        59
      ],
      "verification": "verified",
      "verified_against": "Synthesis of examined primary result/limit cards; framework level is adjudication.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "CSC2",
      "text": "Prospective diseased-cohort associations, pathological samples and experimental animal injury together support plausible contribution. No examined causal human exposure instrument, controlled particle-removal clinical trial or sufficiently validated internal-dose bridge demonstrates the registered real-world human major-event dependency. Marfella uses all-cause death in its composite, not cardiovascular death alone. Animal plaque/cardiac injury remains causal in its experimental setting and cannot substitute for the human event claim.",
      "carries_number": false,
      "load_bearing_for": [
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      "source_ns": [
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        2,
        10,
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        20,
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        25,
        27,
        30,
        32,
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        36,
        37,
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        40,
        43,
        44,
        59
      ],
      "verification": "verified",
      "verified_against": "Synthesis of examined primary result/limit cards; framework level is adjudication.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "CSC3",
      "text": "Endothelial, macrophage, cardiac and vascular models show multiple plausible particle-sensitive pathways; selected inhibitor or knockdown experiments narrow some experimental routes. Dose, surface chemistry, additive/metal coexposure, susceptible genotype and induced pathology determine these results. No mediator-specific human perturbation establishes particle-specific vascular inflammation as the clinical-event dependency at measured ordinary exposure.",
      "carries_number": false,
      "load_bearing_for": [
        "SC3"
      ],
      "source_ns": [
        1,
        8,
        9,
        10,
        12,
        15,
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        17,
        18,
        19,
        21,
        22,
        23,
        24,
        25,
        26,
        27,
        28,
        29,
        31,
        32,
        34,
        35,
        36,
        38,
        39,
        40,
        42,
        43,
        44,
        45
      ],
      "verification": "verified",
      "verified_against": "Synthesis of examined primary result/limit cards; framework level is adjudication.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "CSC4",
      "text": "The examined human reduction trials manipulate soluble PFAS chemicals and report chemical-burden endpoints; they do not measure solid-particle clearance or establish cardiovascular benefit of removing particles. Observational particle cohorts do not test removal. The particle-removal clinical benefit remains Α within this bounded source set, not a proven negative or a claim that no future removal method could work.",
      "carries_number": false,
      "load_bearing_for": [
        "SC4"
      ],
      "source_ns": [
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        53,
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      ],
      "verification": "verified",
      "verified_against": "Synthesis of examined primary result/limit cards; framework level is adjudication.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "CSC5",
      "text": "Chemical-specific clinical-event evidence is observational: prospective coronary-disease case-control associations, residence-defined mortality and occupational estimates with differing confounding structures. Surrogate lipids and developmental imaging are not major events. In the examined corpus, no independent causal human instrument establishes the broad PFAS major-event claim. This does not adjudicate every PFAS compound, cancer, hepatic or developmental endpoint.",
      "carries_number": false,
      "load_bearing_for": [
        "SC5"
      ],
      "source_ns": [
        21,
        46,
        47,
        48,
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        57,
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      ],
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      "verified_against": "Synthesis of examined primary result/limit cards; framework level is adjudication.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "CSC6",
      "text": "Randomized donation and randomized-sequence resin studies demonstrate lower serum concentrations of selected PFAS, with chemical-specific differential effects. This provides a genuine physiological intervention result but not clinical health improvement. The donation body reports no significant between-group improvement in several clinical laboratory panels, reduced hemoglobin after blood donation and more adverse events after plasma donation. Burden reduction alone retains the biomarker-to-health Γ ceiling.",
      "carries_number": false,
      "load_bearing_for": [
        "SC6"
      ],
      "source_ns": [
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        50,
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      ],
      "verification": "verified",
      "verified_against": "Synthesis of examined primary result/limit cards; framework level is adjudication.",
      "verified_on": "2026-10-13",
      "note": ""
    },
    {
      "id": "CH",
      "text": "Particles are detected in cardiovascular samples and associate with events; their causal contribution at real-world human exposure and the clinical benefit of detox remain unresolved.",
      "carries_number": false,
      "load_bearing_for": [
        "SC2"
      ],
      "source_ns": [
        1,
        19,
        10,
        27,
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        53
      ],
      "verification": "verified",
      "verified_against": "Bounded synthesis of examined sources; score is adjudication.",
      "verified_on": "2026-10-13",
      "note": ""
    }
  ],
  "citation_ledger": [
    {
      "n": 1,
      "citation": "Marfella R, Prattichizzo F, Sardu C et al. Microplastics and Nanoplastics in Atheromas and Cardiovascular Events. The New England journal of medicine. 2024.",
      "tier": "A",
      "kind": "primary",
      "pmid": "38446676",
      "doi": "10.1056/NEJMoa2309822",
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      "opened": true,
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      "access_depth": "full_text_partial",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. Selected body sections: 0:METHODS:paragraph0, 0:METHODS:paragraph1, 0:METHODS:paragraph2, 0:METHODS:paragraph3, 0:METHODS:paragraph5, 1:RESULTS:paragraph0, 1:RESULTS:paragraph1, 1:RESULTS:paragraph2, 1:RESULTS:paragraph5, 1:RESULTS:paragraph6, 2:DISCUSSION:paragraph3, 2:DISCUSSION:paragraph4. No complete-paper or supplement audit claimed.",
      "carries_claims": [
        "C1",
        "CSC1",
        "CSC2",
        "CSC3",
        "CH"
      ]
    },
    {
      "n": 2,
      "citation": "Hohenstatt S, Maliandi G, Vollherbst DF et al. Circulating Microplastics in Acute Ischemic Stroke: Feasibility, Variability, and Exploratory Comparisons with Healthy Individuals. Clinical neuroradiology. 2026.",
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        "C2",
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        "CSC2"
      ]
    },
    {
      "n": 3,
      "citation": "Sarabia AJ, Martínez B, Martínez MLÁ et al. Isolation and characterization of microplastics from human blood samples by confocal RAMAN microscopy. MethodsX. 2026.",
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      "carries_claims": [
        "C3",
        "CSC1"
      ]
    },
    {
      "n": 4,
      "citation": "Wright SL, Gwinnett C, Mudway IS et al. A new screening framework to support the identification of exogenous particles and suspect microplastics in situ in pathological tissue samples. EBioMedicine. 2025.",
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      "carries_claims": [
        "C4",
        "CSC1"
      ]
    },
    {
      "n": 5,
      "citation": "Macairan JR, Saherwala A, Li F et al. Label-Free Identification and Imaging of Microplastic and Nanoplastic Biouptake Using Optical Photothermal Infrared Microspectroscopy. Environmental science & technology. 2025.",
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      "carries_claims": [
        "C5",
        "CSC1"
      ]
    },
    {
      "n": 6,
      "citation": "Zhang L, Tian J, Zhu X et al. Cross-platform detection of microplastics in human biological tissues: Comparing spectroscopic and chromatographic approaches. Journal of hazardous materials. 2025.",
      "tier": "A",
      "kind": "primary",
      "pmid": "40179790",
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      "carries_claims": [
        "C6",
        "CSC1"
      ]
    },
    {
      "n": 7,
      "citation": "Wouters Q, Abakumov S, Van Der Stukken C et al. Hydrogel Transformation Reveals a Conventionally Inaccessible Sub-Micrometer Microplastic Fraction in Intact Human Tissues. ACS nano. 2026.",
      "tier": "A",
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      "pmid": "42689720",
      "doi": "10.1021/acsnano.6c12376",
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        "none_found"
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      "carries_claims": [
        "C7",
        "CSC1"
      ]
    },
    {
      "n": 8,
      "citation": "Sofield CE, Attenborough E, Anderton RS et al. Label-free non-destructive spectroscopic detection of mixed microplastic uptake and differential effects on intestinal epithelial cells. Journal of hazardous materials. 2026.",
      "tier": "A",
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      "pmid": "41616615",
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      "carries_claims": [
        "C8",
        "CSC1",
        "CSC3"
      ]
    },
    {
      "n": 9,
      "citation": "Radu ET, Palade NA, Solomon CC et al. Suspected Microplastic-Like Particles Recovered From Paired Human Small Intestine and Large Intestine Specimens: An Exploratory Post-mortem Study. Cureus. 2026.",
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      "carries_claims": [
        "C9",
        "CSC1",
        "CSC3"
      ]
    },
    {
      "n": 10,
      "citation": "Wang B, Liang B, Huang Y et al. Long-Chain Acyl Carnitines Aggravate Polystyrene Nanoplastics-Induced Atherosclerosis by Upregulating MARCO. Advanced science (Weinheim, Baden-Wurttemberg, Germany). 2023.",
      "tier": "A",
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      "doi": "10.1002/advs.202205876",
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      "carries_claims": [
        "C10",
        "CSC2",
        "CSC3",
        "CH"
      ]
    },
    {
      "n": 11,
      "citation": "V L Leonard S, Liddle CR, Atherall CA et al. Microplastics in human blood: Polymer types, concentrations and characterisation using μFTIR. Environment international. 2024.",
      "tier": "A",
      "kind": "primary",
      "pmid": "38761430",
      "doi": "10.1016/j.envint.2024.108751",
      "url": "https://pubmed.ncbi.nlm.nih.gov/38761430/",
      "status_flags": [
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      "opened": true,
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      "access_depth": "abstract_metadata",
      "access_note": "Bounded original primary abstract Results/Findings/conclusion passages and linked-status metadata examined; no complete-abstract audit asserted. No complete-paper or supplement audit claimed.",
      "carries_claims": [
        "C11",
        "CSC1"
      ]
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      "subclaim_id": "SC2",
      "rule_quoted": "Senescence marker changes alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC2",
      "rule_quoted": "Single-species or single-strain evidence",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC2",
      "rule_quoted": "Biomarker-only improvement without organismal benefit",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC3",
      "rule_quoted": "Ex vivo functional assays alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC3",
      "rule_quoted": "Cytokine profile plus in vitro mechanistic work, no in vivo necessity",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC3",
      "rule_quoted": "Broad immunosuppression effect with pleiotropy",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC3",
      "rule_quoted": "Correlational human data plus in vitro mechanism",
      "trigger_status": "Triggered literally for this assembled scoped case; it is the rubric cap recorded for SC3 in cap_rules_applied. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC4",
      "rule_quoted": "ROS change measurements alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC4",
      "rule_quoted": "NAD level change measurements alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC4",
      "rule_quoted": "Mitochondrial metrics alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC4",
      "rule_quoted": "Senescence marker changes alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC4",
      "rule_quoted": "Single-species or single-strain evidence",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC4",
      "rule_quoted": "Biomarker-only improvement without organismal benefit",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC5",
      "rule_quoted": "ROS change measurements alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC5",
      "rule_quoted": "NAD level change measurements alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC5",
      "rule_quoted": "Mitochondrial metrics alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC5",
      "rule_quoted": "Senescence marker changes alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC5",
      "rule_quoted": "Single-species or single-strain evidence",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC5",
      "rule_quoted": "Biomarker-only improvement without organismal benefit",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC6",
      "rule_quoted": "ROS change measurements alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC6",
      "rule_quoted": "NAD level change measurements alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC6",
      "rule_quoted": "Mitochondrial metrics alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC6",
      "rule_quoted": "Senescence marker changes alone",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC6",
      "rule_quoted": "Single-species or single-strain evidence",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    },
    {
      "subclaim_id": "SC6",
      "rule_quoted": "Biomarker-only improvement without organismal benefit",
      "trigger_status": "Not triggered literally for this assembled scoped case. Any adapted clinical, proxy or system-inference restriction is stated separately in the subclaim rationale."
    }
  ],
  "consensus_validation": {
    "completed": true,
    "status": "completed_original_source_reconciliation",
    "provider_mode": "Consensus Pro signed-in browser; observed output and citation link mappings",
    "queries": [
      "https://consensus.app/search/microplastic-exposure-cardiovascular-risk/DfgH6yoiShaPFdLu_vlgfA/"
    ],
    "query_record_note": "Exact provider question/response retained privately in its retrieval receipt.",
    "primary_comparison_count": 8,
    "primary_comparisons": [
      {
        "pmid": "38446676",
        "doi": "10.1056/NEJMoa2309822",
        "source_type": "primary study report",
        "study_group": "MARFELLA-CAROTID-2019-2020",
        "access_depth": "full_text_partial",
        "consensus_aspect": "Prospective cohort design, attrition and actual endpoint",
        "result_comparison": "Consensus describes 304 carotid-surgery participants and 257 completing follow-up. The examined original body records 312 screened, eight perioperative stroke/death exclusions and 47 with incomplete data or lost follow-up, leaving 257. Its primary endpoint includes nonfatal infarction, nonfatal stroke or ALL-CAUSE death, not cardiovascular death alone. Events were adjudicated without knowledge of polymer results, but exposure groups were observational and visits were unscheduled.",
        "original_source": "https://pubmed.ncbi.nlm.nih.gov/38446676/",
        "source_examination_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\examinations\\original-0-8-2200.json"
        ],
        "body_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\38446676-s0-p0-1-2-3-5.json",
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\38446676-s1-p0-1-2-5-6.json",
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\38446676-s2-p3-4.json"
        ]
      },
      {
        "pmid": "38446676",
        "doi": "10.1056/NEJMoa2309822",
        "source_type": "primary study report",
        "study_group": "MARFELLA-CAROTID-2019-2020",
        "access_depth": "full_text_partial",
        "consensus_aspect": "Adjusted association is not causal risk or independent cohorts",
        "result_comparison": "The provider reproduces adjusted HR 4.53 and acknowledges absent causality. Selected original Results confirm 30/150 versus 8/107 events and an adjusted HR 4.53; Methods and Discussion retain residual socioeconomic, air-pollution and dietary confounding and possible contamination. The provider coverage grid lists seven longitudinal carotid MACE papers, but cited reviews or repeated citations do not create seven primary independent cohorts. We retain one parent study unit and do not use its meter or coverage counts as causal probabilities.",
        "original_source": "https://pubmed.ncbi.nlm.nih.gov/38446676/",
        "source_examination_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\examinations\\original-0-8-2200.json"
        ],
        "body_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\38446676-s0-p0-1-2-3-5.json",
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\38446676-s1-p0-1-2-5-6.json",
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\38446676-s2-p3-4.json"
        ]
      },
      {
        "pmid": "40007360",
        "doi": "10.1016/j.jhazmat.2025.137624",
        "source_type": "primary study report",
        "study_group": "PMID40007360",
        "access_depth": "abstract_metadata",
        "consensus_aspect": "Post-MI odds and uncertain risk-conversion wording",
        "result_comparison": "Consensus reports 110 patients with 31.5-month follow-up and OR 1.090 for PVC/event association. The original abstract confirms these observations in a 142-enrolled prospective observational cohort plus a separate 21-patient thrombus series. The listed OR 2.374 and accompanying 1.374-fold-increase wording require interpretation not resolved by our abstract access; no uncertain numerical risk conversion is reproduced. These odds associations do not establish particle-caused clinical events.",
        "original_source": "https://pubmed.ncbi.nlm.nih.gov/40007360/",
        "source_examination_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\examinations\\original-16-24-1800.json",
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\examinations\\original-18-19-10000.json"
        ],
        "body_receipts": []
      },
      {
        "pmid": "35394514",
        "doi": "10.1001/jamanetworkopen.2022.6257",
        "source_type": "primary study report",
        "study_group": "ACTRN12619000204145",
        "access_depth": "full_text_partial",
        "consensus_aspect": "Donation removes measured serum chemicals, with contrast-specific results",
        "result_comparison": "The provider gives 285 firefighters, 52 weeks and plasma-related PFOS/PFHxS reduction. Selected original Methods/Results independently confirm randomization, donor eligibility and chemical serum endpoints. Blood PFHxS change is nonsignificant within group but significantly lower than observation between groups because the control trajectory differs. Neither contrast is evidence of human plastic-particle clearance; the trial did not measure a particle-removal endpoint.",
        "original_source": "https://pubmed.ncbi.nlm.nih.gov/35394514/",
        "source_examination_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\examinations\\original-51-59-10000.json"
        ],
        "body_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\35394514-s1-p0-1-3-5-6-7.json",
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\35394514-s2-p0-1-2-3-4-5-6.json",
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\35394514-s2-p7-8-9-11-13-14-15.json"
        ]
      },
      {
        "pmid": "35394514",
        "doi": "10.1001/jamanetworkopen.2022.6257",
        "source_type": "primary study report",
        "study_group": "ACTRN12619000204145",
        "access_depth": "full_text_partial",
        "consensus_aspect": "Burden reduction and clinical health are distinct endpoints",
        "result_comparison": "Consensus correctly says no cardiovascular-event reduction was demonstrated. The original trial was powered for concentration changes; selected Results find no significant between-group improvement in lipid, thyroid, liver or kidney panels, lower hemoglobin after blood donation and more adverse events with plasma donation. The provider categorical statement that these procedures do not extract solid particles goes beyond the tested endpoint. We use the bounded conclusion that these trials do not establish particle clearance or clinical-event benefit.",
        "original_source": "https://pubmed.ncbi.nlm.nih.gov/35394514/",
        "source_examination_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\examinations\\original-51-59-10000.json"
        ],
        "body_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\35394514-s1-p0-1-3-5-6-7.json",
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\35394514-s2-p0-1-2-3-4-5-6.json",
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\body-presentation-receipts\\35394514-s2-p7-8-9-11-13-14-15.json"
        ]
      },
      {
        "pmid": "40974835",
        "doi": "10.1016/j.envint.2025.109794",
        "source_type": "primary study report",
        "study_group": "PMID40974835",
        "access_depth": "abstract_metadata",
        "consensus_aspect": "Ronneby crossover chemical elimination versus detox efficacy",
        "result_comparison": "Consensus reports ten exposed participants and a 38% mean PFOS decline during 12-week colesevelam. The examined original abstract confirms chemical-specific serum/fecal/urinary measurements, cholestyramine-enhanced fecal PFOS and a small control-period decline. It calls for evaluation of risks, costs and benefits. This is chemical elimination evidence, not a measured plastic-particle endpoint or demonstrated cardiovascular health improvement.",
        "original_source": "https://pubmed.ncbi.nlm.nih.gov/40974835/",
        "source_examination_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\examinations\\original-51-59-10000.json"
        ],
        "body_receipts": []
      },
      {
        "pmid": "37669592",
        "doi": "10.1016/j.envint.2023.108171",
        "source_type": "primary study report",
        "study_group": "PMID37669592",
        "access_depth": "abstract_metadata",
        "consensus_aspect": "Organoid concentration is not calibrated ordinary human dose",
        "result_comparison": "The provider presents low-concentration cardiac-organoid findings as mechanistic support while warning about translation. The original report appraised by the coordinator uses administered polystyrene in mouse/organoid systems with injury/hypertrophy measures. An asserted low internal concentration is not a validated human pharmacokinetic bridge; organoid markers and wall thickness do not supply a prospective human major-event estimate.",
        "original_source": "https://pubmed.ncbi.nlm.nih.gov/37669592/",
        "source_examination_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\examinations\\original-8-16-2000.json"
        ],
        "body_receipts": []
      },
      {
        "pmid": "35367073",
        "doi": "10.1016/j.envint.2022.107199",
        "source_type": "primary study report",
        "study_group": "PMID35367073",
        "access_depth": "abstract_metadata",
        "consensus_aspect": "Analytical detection does not establish clinical causation",
        "result_comparison": "The provider distinguishes detection from harm. The examined original blood-method abstract quantifies several polymers in 22 healthy volunteers, with polypropylene below quantification. Chemical mass measurements above thresholds support internal exposure; they do not identify a clinical toxicity threshold, particle-resolved dose or cardiovascular-event dependency.",
        "original_source": "https://pubmed.ncbi.nlm.nih.gov/35367073/",
        "source_examination_receipts": [
          "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\examinations\\original-33-42-10000.json"
        ],
        "body_receipts": []
      }
    ],
    "grade_changed": false,
    "grade_change_note": "Source-based adjudication; no independent blinded regrade claimed.",
    "raw_receipts": [
      {
        "path": "deliverables\\hsef_v53_traffic_ranks_06_10_2026-10-13\\microplastics-cardiovascular\\consensus-browser-2026-10-13.json",
        "sha256": "40647334bddf99614d7502e1b5e7dde69ff39132aab4f0fd7fc22be9778affe3"
      }
    ],
    "independent_blinded_audit": false,
    "cutoff": "2026-10-13",
    "completed_utc": "2026-10-13T16:38:32.150288+00:00",
    "conclusion": "Endpoint hierarchy, experimental scope and original-source limits determine the evidence cards; provider wording does not override them."
  }
}