01/17/2012 02:52 pm ET Updated Mar 18, 2012

In-Your-Face Fitness: Go Ahead, Run Into Old Age

Every time some post-middle-age person tells me he or she had to give up their running habit, I fear a little bit for my future.

I've heard many a tale of running woe -- people who feel their joints can't take the discomfort any longer. These reports make me wonder whether I'm destined to wear out my knees, ankles or hips and be forced to give up a sport I love.

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