Derivation Web

claim_5d4edfc5d7d041d3

{"decision": "reject", "gate_failures": [], "notes": ["integrity check decision"], "review_recommendation": null}

source_346ff24e7b7e4773

# Alpha memo: exercise signal

**Research question:** How far does the Receipt 1 signal transfer across the setting tested by Receipt 2?

**One-sentence alpha:** exercise does not carry one stable direction across the two receipts; the supported alpha is an endpoint- and setting-bounded comparison rather than a universal benefit or harm claim.

**Receipt 1:** Metformin Protects Rat Skeletal Muscle…