According to Bodywisefitness, half-hour aerobic sessions three to five times a week have been shown to cut symptoms of mild to moderate depression nearly in half. One study suggests that exercise can be as effective as drugs in treating major depressive disorders.
Brisk walking for just an hour or two a week can reduce the risk of breast cancer in postmenopausal women by nearly 20 percent. And for those who already have the disease, walking three to five hours a week may reduce the chance of dying from it by as much as 50 percent. So......anybody ready to do some aerobics?