Bryan Johnson· Author
Aging is a form of dying—we all do it a little every day. But some things speed it up (smoking, sleep deprivation), and some things slow it down (exercise, proper nutrition).
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
Aging is a form of dying—we all do it a little every day. But some things speed it up (smoking, sleep deprivation), and some things slow it down (exercise, proper nutrition).
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