Madonna and Geri Halliwell are among its devotees. But yoga, one of the most fashionable of heath fads, may be doing its followers more harm than good, it emerged yesterday. They are running the risk ...

If you’ve ever climbed stairs, carried a heavy object, hiked up a mountain, played tug of war, or done a squat, congratulations: You’ve done resistance training without even knowing it. This form of ...

Alyssa Morin is a senior editor at InStyle, where she covers fashion and beauty. She reports on fashion trends, finds the best shopping deals, and reviews makeup, skin care, and hair care products. As ...

How we test yoga mats Every mat on this list was tested through completing a series of yoga sessions and HIIT (high intenstity interval training) workouts. For the yoga sessions, I used videos by ...