Exercise

Boomer alert: Exercise keeps your brain young

Ultrarunner tries to break Appalachian Trail record

92-year-old hailed as oldest female marathoner

How to stay cool when you're exercising in the heat

England gets its ducks in a row with 'duck lanes'

Michelle Obama shows off her hardcore fitness routine

Preschoolers don't get enough exercise

Exercise app 'Zombies, Run!' now free for the living

Treadmills linked with 3 fatalities yearly

7 core stability exercises that aren't crunches

How exercise can make you happier

Jake Gyllenhaal's grueling physical transformation for 'Southpaw'

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