Sonya Yaksich, 66, is in the best shape of her life—and she has the data to back it up. Yaksich owns a smart scale, which is an advanced bathroom scale that measures not only body weight, but also ...

Aging is inevitable, but how fast your cells age isn't set in stone. On a molecular level, biological age is measured using something called the epigenetic clock, which isn't tied to chronological age ...