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Canonical Source · academic resource
This page documents how this source is reused across Claim by Claim. A source can support, challenge, qualify or contextualize different claims; appearing here does not imply endorsement of every linked proposition.
Evidence context
Evidence roles describe what this source helps establish inside each Investigation. They are local to that use, not permanent labels attached to the publication itself.
Investigation
A major review summarizes animal lifespan findings and biological reasons to study fasting, while acknowledging that extra human life-years have not been demonstrated.
Subject families