Some 150,000 artificial joints go into Australians’ bodies every year. But they’re no easy fix. What’s it like to get a new ...

Sedentary behavior has become a national health crisis, with 1 in 4 U.S. adults sitting for more than eight hours a day, ...

Caitlin Berzok used to be scared of strength training. She occasionally exercised with ankle weights but worried that heavy ...