Skip the gym and improve your physical and mental fitness in just minutes with these 300 quick and easy ways to add movement to your day Being active and in shape helps you sleep, keeps you strong and healthy, and improves balance, your social life--and even your sex life We all know exercise is good for us, but time, money, age, and inertia often keep us stuck on the couch. But you don't need to join a gym--or even leave your house--to...