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A look at 'super agers' and the science behind longer, sharper lives

For thousands of years, humans have tried to avoid growing old. Billions are spent every year on potions and procedures to make us look younger, feel younger and think younger. It’s a hugely profitable, but ultimately fruitless hunt. But science has started to zero in on some proven techniques. Horizons moderator William Brangham explores that with Dr. Eric Topol and Dr. Sandra Weintraub.

Apr 17 • 7:00 PM EDT • Science • pbs.org