Diabetics already use aerobic exercise for physiological reasons, but there may be an even more important reason to work out: stress reduction.

The Reebok Aerobic Information Bureau says that while diet, exercise and insulin have long been the three essential components of diabetes therapy, aerobic exercise has recently emerged as particularly beneficial for reducing stress in patients.The fitness program has added psychological and physiological benefits as well. The American Association of Diabetes Educators says stress plays a prominent role in influencing the course and complications of diabetes.