You can't 'tone' muscle, so here's what is really happening when you build muscle definition, and why you need to know about ...

Add Yahoo as a preferred source to see more of our stories on Google. New supplements from Arrae and Lemme promise to “tone” your body. But can they really? (Photo illustration: Liliana Penagos for ...

Women over 50 have a unique set of health needs. You lose quite a bit of lean muscle after age 50. This is because of a number of factors, but menopause is one of the main culprits. Menopause can mean ...

By Dr. Priyom Bose, Ph.D. Drawing on 52 studies, this review challenges assumptions about athletic advantage between cis- and transgender athletes, while highlighting major evidence gaps in elite and ...