check-ups are necessary only for people over 45 or who have existing health issues, such as high blood pressure, heart disease or joint problems. Even so, it's a good idea, says Dr Lewis Maharam, medical director of the ING New York City Marathon. "You
This extract is from The Runner's World Complete Book of Running by RW USA Editor Amby Burfoot. You can now preview it, free, for two weeks without risk or obligation. All running programmes for beginners are the same: they move you from walking
