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Weekly · Sunday Morning

Five longevity claims.
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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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What a DEXA can show you about longevity | Peter Attia — Whalespan

Content›Video›What a DEXA can show you abo…

What a DEXA can show you about longevity | Peter Attia

Peter Attia3m · 2023-07-12

Claims Made

8

Claims Supported

8

Support Rate

100%

Support rate

8 of 8 claims supported

8 supported0 partial / not

Claims from this content

8

✓Well SupportedMuscle mass is strongly coupled to strength, and its association with longevity is likely captured by strength measurements.◐Partially SupportedALMI is calculated by summing lean mass in the arms and legs in kilograms and dividing by height in meters squared.◐Partially SupportedAppendicular lean mass index and fat-free mass index can be calculated from DEXA scan data.◐Partially SupportedDEXA scans should be performed by everyone to assess bone mineral density, visceral fat, and muscle mass.Partially Supported

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

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AV

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.

◐

VO2 max, muscle mass, and strength reflect cumulative effort.

◐Partially SupportedMuscle mass is a strong indicator of exercise and strength, similar to how hemoglobin A1c indicates glucose control.

◐Partially SupportedIndividuals should aim to be at or above the 75th percentile for ALMI, relative to their age and sex.

◐Partially SupportedMuscle mass impacts metabolic function and overall functionality.