If you are frequently in the gym or are an endurance athlete, you know that your muscles need all the support they can get.

Repeated exercise, or wasting, can change the way key genes work.

Plus, exactly how to train to sculpt your muscles.

If you’ve ever worried that a rest day might erase your progress, take a deep breath — research shows the exact opposite. Recovery is where the real gains are made for your fitness. Strength training ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Ever pushed yourself so hard in a workout sesh that every little movement (say ...