Every runner has been told once, or twice, or every day by someone they know, that this sport will wreak havoc on their knees. This kind of 'advice' might have you wondering if running really is bad ...

AS A RUNNER, I’m always trying to convince my friends to join me on a jog. I can’t count the number of times I’ve heard “I would, except, you know—my knees,” or “you’re so lucky your knees can handle ...