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Diet and fitness videos
How ‘Loser’ champ won back her life
Nov. 12: TODAY’s Al Roker talks to “Biggest Loser” winner Ali Vincent about her incredible weight-loss journey and her new book, “Believe It, Be It.”

  Smart Fitness — By Jacqueline Stenson
Image: Woman running
Getty Images stock
Can working out wear you out?
Is it true that exercising will eventually wear out your joints, heart or any other body parts? Should you wait after working out before showering? Smart Fitness answers your queries.

updated 4:46 p.m. ET April 26, 2005


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