Audit a URL →

Sign in Sign up free

Loading…

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

5 audits·1 verdict change·0 affiliate links·Every Sunday

Joining 1,247 readers — founders, MDs, and longevity-obsessed people who fact-check their own health decisions.

Browse

Decisions Claims Content Creators

Product

Audit a URL Sunday roundup API (soon)Pricing

About

FAQ Methodology Editorial Standards Corrections Press & brand RSS feed

Legal

Terms of Service Privacy Policy DMCA

Finally, something serious in this space.
Because we actually read the papers.

© 2026 Whalespan. Independent, evidence-graded longevity.

I Edited My DNA On A Secret Island (To Live Forever) — Whalespan

Content›Video›I Edited My DNA On A Secret …

I Edited My DNA On A Secret Island (To Live Forever)

Bryan Johnson9m · 2024-06-14

Claims Made

11

Claims Supported

8

Support Rate

73%

Support rate

8 of 11 claims supported

8 supported3 partial / not

Claims from this content

10

✓Well SupportedGene therapy is a promising longevity intervention with safer routes now available, offering a potential 30% extension of life.✓Well SupportedBryan Johnson has been focusing on diet, exercise, and sleep for the past two years, and is now pursuing gene therapy.◐Partially SupportedGene therapies have the potential to help break through the current human maximum lifespan barrier of approximately 120 years.◐Partially SupportedGene therapy is administered via injection, including shots in the stomach and buttocks.Partially Supported

More from Bryan Johnson

Bryan Johnson's Blueprint Rapamycin Protocol

Discussion

Native comments, Twitter mentions, and Reddit threads about this content — surfaced together so the conversation isn't fragmented across platforms.

M

Share your read of this content…

Posting publicly as you · linked to your social profiles

Sort by:

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.

NP

N. Park

2d

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

◐

Minicircle's gene therapy has shown significant increases in muscle mass, epigenetic age reduction, and telomere lengthening in some individuals.

◐Partially SupportedThe speaker is testing a full sun therapy due to a high UV index of 11.

◐Partially SupportedThe speaker underwent a genetic enhancement therapy.

◐Partially SupportedThe gene therapy procedure costs approximately $220,000.

◐Partially SupportedMinicircle's gene therapy includes a tetracycline-activated 'kill switch' to deactivate DNA molecules if adverse reactions occur.

◐Partially SupportedMinicircle designed a plasmid that is a circular loop of DNA, easy to inject subcutaneously and manufacture, and can be loaded with any desired gene.