After 50, the biggest risks are loss of muscle, loss of power, poorer balance, and stiff joints. These changes drive slower walking speed, more falls, and less independence. Strength, power, mobility, ...

Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...

In TODAY.com's Expert Tip of the Day, a trainer reveals the equipment-free hack to know you're exercising intensely enough.