11/06/2012 10:13 am ET Updated Jan 06, 2013

How To Start A Fitness Plan At Any Age

one caucasian woman runner...
one caucasian woman runner...

Physical fitness in middle age can be a powerful protector against frailty, heart conditions and more. In fact, regular midlife exercise might be the most powerful way to prevent chronic illness, a new study done at UT Southwestern Medical Center and the Cooper Institute shows.

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