
Your potential for achieving a high level of fitness is established at birth. To develop this potential, you need to engage in a regular routine of physical activity. If you have atherosclerosis, exercise may allow some compensation for the reduced flow of blood and oxygen through your ...

After about age 1, when we humans begins learn the skill of walking, we depend on our legs to move us about our environment, taking us wherever we need and want to do. Walking some becomes as automatic as seeing, hearing, or breathing and almost as important. ...