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Two men sit in a pressurized chamber with face masks for hyperbaric oxygen therapy.
Hyperbaric oxygen therapy is a cutting-edge (but costly) longevity treatment. A doctor who researches it said to focus on free lifestyle changes like exercise first.
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older adults drinking shot
  • Ketones are an energy source the brain can use in place of sugar.
  • Scientists are testing whether ketone ester drinks may improve human longevity.
  • But drinking ketones doesn't do the same things for your body as a ketogenic diet.

It's not a fountain of youth, but it may be a tiny sip of it.

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Bryan Johnson collage with needles, snowflakes and a raver
While the summit was billed as possibly "the most important day of your life," the talks were less in-depth than I had expected.
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A composite image of Rachel flexing in the gym, and on a run.
After years of regular strength training and avoiding running, Rachel Hosie is finally getting into jogging.
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Billionaires are backing top scientists racing to develop tech that could reverse aging. Cellular reprogramming promises to rejuvenate the body — but how does it work, and is it safe?

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Jeannie in New York
Jeannie Kim was 55 when she was diagnosed with breast cancer.
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Frank Ellis in a yellow Tour de France jersey with a flag and picture of the competition on the wall behind him.
Frank Ellis had a Tour de France-themed party for his 90th birthday this year.
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Composite image of Dr. Michael Roizen, someone pouring fish oil supplements into their hand; some uncooked mushrooms.
Dr. Michael Roizen shared some of the supplements he takes every day.
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A woman sleeping peacefully in bed in the morning in natural lighting.
Sleeping late on the weekends to catch up after a busy week can pay off, according to science