“Getting 150 minutes a week [of aerobic exercise] is clearly enough to prevent a number of diseases and conditions, including coronary heart disease, high blood pressure, stroke, Type 2 diabetes, metabolic syndrome, colon cancer, breast cancer, and depression, as well as all-cause mortality and falls and declines in cognitive function,” says Judith Regensteiner, professor of medicine and director of the Center for Women’s Health Research at the University of Colorado School of Medicine.