Far less clear is how much exercise is best for physical health
(NEWSER) - If the goal of your exercise program is better mental health, a new study shows that even 20 minutes a week of sports, gardening, or housecleaning may be enough to boost your mood. But if you want to improve your cardiovascular fitness, lose weight, or reduce your risk of life-threatening diseases, figuring out the best amount of exercise becomes much trickier, the New York Times reports. More»
