I'm 27 and paid $156 for a buzzy health test, fearing I was unhealthy despite eating well and exercising. I was reassured, but it felt like a waste of money.

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Woman collage with microscope of fat and blood cells.
 

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The rise and fall of Elizabeth Holmes, the former Theranos CEO

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Former Theranos CEO Elizabeth Holmes alongside her boyfriend Billy Evans, walks back to her hotel following a hearing at the Robert E. Peckham U.S. Courthouse on March 17, 2023 in San Jose, California.
Convicted Theranos founder Elizabeth Holmes.

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The next breakthrough for longevity obsessives: measuring organ age

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Blood tests
There may come a day when patients can measure the age of their organs through a blood test.

DIGICOMPHOTO/SCIENCE PHOTO LIBRARY/Getty

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