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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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Is screen time bad for eye health? | Peter Attia and Steven Dell — Whalespan

Content›Video›Is screen time bad for eye h…

Is screen time bad for eye health? | Peter Attia and Steven Dell

Peter Attia4m · 2024-09-04

Claims Made

6

Claims Supported

4

Support Rate

67%

Support rate

4 of 6 claims supported

4 supported2 partial / not

Claims from this content

6

✓Well SupportedScreens should not be used within two hours of bedtime due to blue light affecting circadian rhythms.✓Well SupportedUsing software that gradually reduces blue light from monitors in the evening is beneficial for sleep.✕Not SupportedScreen use, particularly at 11 p.m., disrupts circadian rhythms and negatively impacts sleep.◐Partially SupportedThe amount of UV radiation from screens is too low to cause macular degeneration.◐Partially Supported

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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.

Screen use can disrupt circadian rhythms.

◐Partially SupportedThe amount of blue light from screens is many orders of magnitude less than from natural sunlight.