October 11, 2011 This afternoon, first lady Michelle Obama and hundreds of school children from Washington, D.C. will kick off an attempt to set a jumping jack world record by participating in a Guinness Book of World Records event.
August 11, 2011 People with osteoarthritis in their knees aren't getting much exercise, a new study finds, even though exercise actually helps reduce pain and stiffness and can prevent future disability. So how to get moving if you've got arthritis? Try walking and swimming, doctors say.
August 2, 2011 Even modest amounts of physical activity reduce the dangers of heart disease, a new analysis finds. And the biggest benefits come from doing something rather than nothing.