Doctors and trainers explain how building muscle effects metabolism and fat loss, plus tips for building muscle and losing fat at the same time.

With that in mind, we tried everything we could to keep Ringo entertained, from all kinds of lick mats to snuffle mats and ...

Mindy Kaling admitted she "would have the same questions" about her relationship with "The Office" costar B.J. Novak if she ...

After a breakthrough win at a 95-mile race, Careth Arnold is balancing life as a mom and world-class ultrarunner.

A celebrity trainer reveals how Jennifer Lopez trains her core in her 50s, featuring dead bugs, downward dog variations and V ...