For tech entrepreneur Bryan Johnson, the answer is “as far ... As a health and wellness writer, I came to the Don’t Die summit with a healthy dose of skepticism. Johnson himself is not a medical ...

When not posing for photos, Johnson, who has a broomstick ... LEVEL 1, DENIAL: Bryan is so busy trying not to die that he’s not living. LEVEL 2, ANGER: I hope Bryan gets hit by a bus.

Bryan Johnson in the documentary, Don't Die: The Man Who Wants to Live Forever.

On Jan. 1, Netflix released Don’t Die: The Man Who Wants to Live Forever, a documentary centering around tech millionaire and biohacker Bryan Johnson ... noting that Johnson is not a doctor ...

Bryan Johnson is not only the founder and former CEO of Kernel and Braintree but is also renowned for his attempts at anti-aging. This was precisely the subject that Netflix covered in Don't Die ...

His day starts at 4:30 a.m. (SOUNDBITE OF DOCUMENTARY, "DON'T DIE ... down? Bryan Johnson says he wants to extend the horizons of what's possible, whether people agree with him or not.

NPR's A Martinez speaks with tech entrepreneur Bryan Johnson about the Netflix documentary "Don't Die: The Man That Wants To Live Forever," which portrays his quest to slow aging.