"I'll have to sit this one out." It's a sentence you might find yourself saying more and more lately. If you find yourself sitting out of activities because you're worried about how your body will ...

Traditionally beloved by parochial schoolgirls, knee-high tights (and knee socks) are back in their coquettish, flirty, even a bit freaky, glory. During fashion month, Bella Hadid stepped out in Milan ...

Running a single mile — at about a 10-minute pace — consists of 1,700 steps. And each one of those steps produces ground reaction forces of about two and a half times your body weight. And you know ...