Tech execs like Bryan Johnson and Sam Altman are optimizing their diets to live longer. Here's what experts say to eat to expand your lifespan, from pomegranates to red onions.
Pomegranates are high in Urolithin A, a compound that is known to improve mitochondrial efficiency.Oli Scarff/Getty Images
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<li>As a quest for longevity sweeps the nation, people are taking supp… [+8763 chars]
