The Time Bryan Johnson Snorted Stem Cells, Reversed Aging and Spent $110 Million on a Mind-Reading Helmet

Know Thyself

Jun 16, 2021

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When I first started reporting this story in 2018, Bryan Johnson and I were both 40 years old. As of this writing, I’m 43, moderately fit and looking forward to spaghetti carbonara for dinner. Johnso…

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