Bryan Johnson· Author
My Andrologist (sperm doctor) gave me an A+ for my recent sperm results. He said he'd be happy to see these results from a healthy 18-year-old.
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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 Andrologist (sperm doctor) gave me an A+ for my recent sperm results. He said he'd be happy to see these results from a healthy 18-year-old.
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fertility: top 99th percentile (all men)
the compelling evidence here is that my body is naturally doing things that an 18 year old body would do, for example, maintain fertility markers that are better than 99% of all men.
+ have the fertility health of a 20 year old
My fertility markers are at an all-time high. I have more total and motile sperm than 99.6% of men of any age, including men under 25. + total count: 600 M + concentration: 162 M + motility: 55% + total motile count: 330M + morphology (normal): 10%