Innovation

Tech Mogul Bryan Johnson Is Deep Into ‘Penis Rejuvenation’

HARD SCIENCE

He’s chronicling painful injections—part of his anti-aging crusade—on social media.

Noah Kirsch
Noah Kirsch 

Wealth and Power Reporter

Bryan Johnson
Patricia De Melo Moreira/AFP via Getty
Noah Kirsch

Noah Kirsch

Wealth and Power Reporter

Noah_Kirsch

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