Health-conscious mid-lifers and 20-somethings may have ditched boozy late nights for oat lattes and excessive quantities of ...

A woman was hospitalized with a severe reaction to working out that caused her muscles to balloon and her urine to turn dark. Gemma Underwood, 41, is an orange belt in karate, and said she felt sore ...

You haven't seen a mountain climber exercise like this before. Here's how to turn up the heat with an intense pyramid routine from trainer Kirsty Godso. Kirsty Godso, a Nike master trainer, recently ...

Pre-workout nutrition, workout prep—whatever you call it—has changed, and what you consume in the hours before exercise ...