How I'm DE-AGING My Penis

29 Feb 2024 · 8 min
8:07

Bryan Johnson tracks his semen metrics through a two-year self-experiment in sexual rejuvenation. His latest analysis shows 141 million total sperm count and 52% progressive motility, comparable to an 18-year-old's. He credits optimized sleep, diet, exercise, daily tadalafil, and shockwave therapy.

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