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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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The problem with studies trying to isolate one nutrient — Whalespan

Content›Video›The problem with studies try…

The problem with studies trying to isolate one nutrient

Peter Attia6m · 2021-05-27

Claims Made

8

Claims Supported

6

Support Rate

75%

Support rate

6 of 8 claims supported

6 supported2 partial / not

Claims from this content

7

✓Well SupportedOverall diet quality, rather than specific food components, appears to be the primary factor influencing cancer incidence.◐Partially SupportedReplacing 50 grams of starchy carbohydrate with an equal calorie amount of sugar or fat is unlikely to cause harm.◐Partially SupportedHigh fructose corn syrup is hyperpalatable and leads to overeating and increased calorie intake, but does not appear to have the same fattening effect independently when calories are controlled.✓Well SupportedAssessing food patterns, rather than single nutrients, is key to understanding optimal diet and lifestyle.Partially Supported

More from Peter Attia

Peter Attia on Zone 2 Cardio

Peter Attia on Rapamycin (with Matt Kaeberlein)

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.

◐

High meat consumption is often associated with an unhealthy lifestyle including less exercise and more processed food.

◐Partially SupportedIsolating individual nutrients or components like leucine or sugar from a diet can allow for mechanistic data to support almost any conclusion.

◐Partially SupportedNutrients are not inherently good or bad; context and overall lifestyle/eating patterns are what truly matter.