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the claim

Every human death ultimately results from the brain and heart running out of oxygen.

the verdict
CONTESTED PARTIAL
Recorded sources
1 source for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that every human death ultimately results from the brain and heart running out of oxygen?

Partly. One review of dying mechanisms describes tissue hypoxia and brain/lung failure before vascular collapse, but states the heart is the last organ to fail, which cuts against the claim's framing. A separate study on carbon monoxide poisoning suggests lethal CO levels can cause death, consistent with oxygen deprivation in one specific mechanism only.

Verdict: CONTESTED PARTIAL · 1 source for, 1 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 1
Quantification of Carbon Monoxide (CO) in Postmortem Human Brain Tissues After CO Poisoning
2025
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Quantification of Carbon Monoxide (CO) in Postmortem Human Brain Tissues After CO Poisoning. (2025). doi.org. https://doi.org/10.21203/rs.3.rs-6293118/v1

Evidence against · 1
Mechanism of death: there’s more to it than sudden cardiac arrest -
Get citation
Mechanism of death: there’s more to it than sudden cardiac arrest - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.21037/jtd.2018.04.113

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