Can You Actually Turn Back the Aging Clock?
This story is part of Fit at Any Age: New Frontiers—a next-level guide to the latest science and tips for a stronger, longer life. TECH CENTIMILLIONAIRE Bryan Johnson, a self- described “rejuvenation athlete,” reportedly spends more than $2 million a year on everything from $25,000 gene-therapy injections to 111 pills per day. (He’s offering his …