If you're feeling under the weather, exercise may be the last thing you feel like doing — and it's true that when your body's already under a lot of stress, making it do more work isn't always a good idea.
But in some cases, light to moderate activity may actually help you feel better, says Richard Besser, MD, chief health and medical editor at ABC News and author of "Tell Me the Truth, Doctor: Easy-to-Understand Answers to Your Most Confusing and Critical Health Questions."
