You’ve probably heard of Bryan Johnson , the vampire-pale, eerily smooth-skinned tech centimillionaire on a quest to live forever. Mainly, the 48-year-old’s noble crusade involves strict adherence to an eye-poppingly complicated nutrition and health regime, which at one point included getting plasma infusions from his 17-year-old son. (In a YouTube video documenting the process, he mused: “Will my son’s blood make me younger?”)

It’s estimated that Johnson spends up to $2m a year on various exotic supplements, medical-grade doo-dads and experimental rejuvenation techniques, all with the goal of reducing his biological age to that of a much younger man.

Someone should tell Johnson that researchers may have unlocked the elixir of life – and it’s got nothing to do with turning your chil

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