People usually don't think of exercise as a bad thing. After all, regular physical activity is an important part of a healthy lifestyle. But too much of it, as with anything, can be harmful.

Exercise has been associated with a slew of positive health effects, like having more energy, getting better sleep, and helping to prevent health conditions like heart disease. Thanks to those ...

Dr. Tara Narula writes a column on women’s health for TODAY.com. She is a cardiologist, NBC news medical correspondent and associate professor of cardiology at Donald and Barbara Zucker School of ...

Exercise is great for your health—unless you overdo it. Reviewed by Dietitian Katey Davidson, M.Sc.FN, RD, CPT While exercise is great for your health, there are telltale signs that you’re overdoing ...

Exercise intolerance is the reduced ability of the body to perform strenuous activities. It happens when your body's responses to exercise don't achieve age and gender-appropriate levels. It's often ...

Exercise is widely praised for its mental and physical health benefits—from boosting mood to improving heart health. But for some, movement can take a darker turn, becoming rigid, compulsive, or ...

Physical activity feels good and it’s great for your health. It can reduce your risk of developing chronic conditions like type 2 diabetes, strengthen your bones, muscles, and joints, and can even ...

If you've been working out less than a year, planning ahead can help you keep making gains, experts say. While beginners can improve from nearly any exercise, strategies like progressive overload are ...

While exercise is great for your health, there are telltale signs that you’re overdoing it. Common signs of overexercising include frequent injuries, poor sleep, rapid weight loss, recurring illness ...