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.

My Secret To Better Erections — Whalespan

Content›Video›My Secret To Better Erection…

My Secret To Better Erections

Bryan Johnson4m · 2025-02-14

Claims Made

14

Claims Supported

14

Support Rate

100%

Support rate

14 of 14 claims supported

14 supported0 partial / not

Claims from this content

13

✓Well SupportedBryan Johnson received an A+ score for his sexual health biomarkers.✓Well SupportedNighttime erections in men can indicate organ function independent of psychogenic factors.◐Partially SupportedFocused shockwave therapy applied to various body parts including the penis, feet, ankles, ACL, knees, and shoulders has been helpful for rejuvenation.◐Partially SupportedPoor sleep quality negatively impacts nighttime erections and sexual function, indicating a higher biological age for sexual function.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.

◐

Focused shockwave therapy and Botox injections improved Bryan Johnson's nighttime erection duration from over 2 hours to over 3 hours.

◐Partially SupportedThe Adam Health device measures penile engorgement and duration during nighttime erections.

✓Well SupportedWomen experience clitoral engorgement and nocturnal tumescence during sleep.

◐Partially SupportedProstate health can be assessed through physical exams, blood draws, and MRIs.

◐Partially SupportedGood blood flow in the penis is a positive indicator of health.

◐Partially SupportedFocused shockwave therapy for penile rejuvenation is painful.

◐Partially SupportedBasic health factors including sleep, diet, exercise, and stress management are foundational for sexual health.

◐Partially SupportedMeasuring penis health can involve semen analysis, nighttime erection monitoring, penile blood flow ultrasound, urine tests, erectile function questionnaires, and prostate health assessments.

◐Partially SupportedBotox injections into the penis must be performed by a specialized doctor due to potential dangers.