Exercise - a powerful tool
Physical fitness is essential to good health and is one of the best things you can do for your body, mind, and spirit. Exercise improves the way your body works, and it can make you look better, feel better, and even live longer.
Last reviewed 3/20/2011 by David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
- Call 911 for all medical emergencies.