A review of 40 studies of the effects of exercise on people with chronic illnesses concludes that working out eases anxiety over what ails you. Scientists from the University of Georgia, in a report in the Feb. 22 Archives of Internal Medicine, found that exercise alleviates anxiety in sufferers of heart and circulatory issues, fibromyalgia, arthritis, various other pain conditions, cancer, mental health problems and the breathing disorder chronic obstructive pulmonary disease, or COPD. The only illness exercise didn’t seem to help: multiple sclerosis.