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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. Full story

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Lack of exercise not to blame for teen obesity?

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Smart Fitness

Can working out wear you out?

Get fit, faster, with short-burst training

Can exercise get rid of this dude’s ‘moobs’?

Find the right workout machine for you

Pump up the volume, pump up your workout

Weight control and obesity

Bonding with mom over comfort foods

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How the recession wrecked my cholesterol

Preschool obesity rate stablizing, study finds

Study: 1 in 3 black Americans is obese

Hot mamas

Real-life moms show off their post-baby bodies. Readers' photos.

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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.”

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Addicted to health after losing 340 pounds

Expert advice on health, exercise

Smart Fitness — By Jacqueline Stenson

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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.

Get fit, faster, with short-burst training

Can exercise get rid of this dude’s ‘moobs’?

Find the right workout machine for you

Pump up the volume, pump up your workout