Derivation Web

source_b8aa585bfa044a64

**Selected angle:** `source`

## One-sentence thesis

Across 4 independently cited sources, the evidence converges on one bounded claim: caloric restriction modulates metabolic and endocrine biomarkers (IGF-1, FGF-21, glucose tolerance) in rodents. Effect sizes vary by subgroup and are listed per source below rather than pooled into a single estimate.


**Interpretation note:** This is a hypothesi…