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Weekly · Sunday Morning

Five longevity claims.
Worth your time.
Every Sunday.

Last Sunday

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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My Honest Thoughts On AI — Whalespan

Content›Video›My Honest Thoughts On AI…

My Honest Thoughts On AI

Bryan Johnson9m · 2025-10-02

Claims Made

20

Claims Supported

17

Support Rate

85%

Support rate

17 of 20 claims supported

17 supported3 partial / not

Claims from this content

15

✓Well SupportedBryan Johnson's protocol is at an elite level for biomarkers including testosterone, bone mineral density, and speed of aging.✓Well SupportedUsing earplugs is recommended when sound levels exceed 80 decibels to prevent hearing damage.◐Partially SupportedHearing loss is irreversible once it occurs.✓Well SupportedTo implement a protocol effectively, start at a moderate level and gradually increase intensity or duration.◐Partially Supported

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Bryan Johnson's Blueprint Rapamycin Protocol

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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.

Personalized medicines developed with AI can minimize side effects by mapping treatments to an individual's specific illness and metabolism.

✓Well SupportedWithin 10 years, cures for 90% of diseases may be available through advancements like AI-driven drug discovery.

◐Partially SupportedExperiencing the negative effects of bad sleep is significantly more impactful than merely discussing its virtues or costs.

◐Partially SupportedAdhering to a strict protocol of sleep, nutrition, and exercise leads to feeling phenomenal, while deviations are devastating.

◐Partially SupportedThe human genome has a built-in rejuvenation loop that limits lifespan to approximately 120 years, but this limit may be extendable.

◐Partially SupportedExposure to loud noise poses a significant risk of hearing loss.

◐Partially SupportedThe World Health Organization recognizes burnout as a medical condition.

◐Partially SupportedSkipping workouts can negatively impact the body, necessitating a return to routine to regain a good physical state.

◐Partially SupportedChronic stress increases the risk of heart disease, high blood pressure, stroke, and cancer.

◐Partially SupportedConsistent adherence to a routine, including going to bed early and performing a nightly routine, leads to waking up feeling optimal and improves heart rate variability.

◐Partially SupportedHeart rate variability can increase by approximately 7% daily.