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Rapamycin extends mouse lifespan 9–14%
NAD+ precursors reverse aging in humans
Blue-light glasses improve sleep quality
Walking 10 min after meals blunts glucose
Verdict change — caffeine half-life downgraded

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Why humans evolved to gain fat so easily | Peter Attia & Stephan Guyenet — Whalespan

Content›Video›Why humans evolved to gain f…

Why humans evolved to gain fat so easily | Peter Attia & Stephan Guyenet

Peter Attia7m · 2025-01-02

Claims Made

9

Claims Supported

9

Support Rate

100%

Support rate

9 of 9 claims supported

9 supported0 partial / not

Claims from this content

7

✓Well SupportedLeptin signals to the brain that the body lacks sufficient fat reserves, potentially preventing pregnancy and signaling a need to eat.◐Partially SupportedHumans evolved to prioritize energy acquisition and storage as primary survival mechanisms.◐Partially SupportedHuman adipose tissue is approximately 85-90% pure fat, contributing to its high energy density.◐Partially SupportedMaintaining a certain amount of body fat is crucial for survival, as it provides energy reserves to defend against infections and disease.Partially Supported

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Attia walks back the clinic protocol: too aggressive for healthy adults

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A. Volkovreader

4h

Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

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N. Park

2d

Would love a "what would change this verdict" RSS feed. Sign me up if it exists.

◐

Humans can store excess carbohydrates and fatty acids as body fat for long-term energy.

◐Partially SupportedFat is a highly concentrated, anhydrous, and hydrophobic energy source, making it an efficient long-term energy buffer.

◐Partially SupportedBody fat serves as a crucial energy reserve, while glycogen stores are more limited.