A study published in the British Medical Journal in October of 2013 revealed that exercise is as good as medication to treat people with coronary heart disease and prediabetes and superior to in the treatment of stroke. This was a very large study that analyzed 305 studies that included 340,000 patients.
The World Health Organization considers lack of exercise as the fourth leading risk factor for global mortality. There is considerable data showing the value of exercise in most every disease, even in congestive heart failure. Actually, there is no more powerful anti-aging medicine than exercise.