Bryan Johnson· Author
My new semen results came in yesterday. Doc gave me an A+. Said he’d be happy if they were from an 18 year old.
The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
My new semen results came in yesterday. Doc gave me an A+. Said he’d be happy if they were from an 18 year old.
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
Swimmers. Typical = 80 million. Mine = 165 million. + Motility. Typical = 35%. Mine = 43%. + Morphology. Typical = <5%. Mine = 8%. My numbers consistently exceeded those averages by 2-4x.
Across five lab tests in 3 months, my total motile sperm count (TMC) averaged 165 million, more than 4 times the WHO threshold for natural fertility (40 million).
Fertility + Total Motile Count + Sample Volume + Concentration + Motility + Morphology + Count