WHAT'S INSIDE: DIET & FITNESS

HowStuffWorks offers guidance for developing an exercise routine that will help you get in shape and stay healthy. Learn about diet and fitness and get tips from professional trainers.
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FEATURED: DIET & FITNESS
Which activities burn the most calories?

Don't let a leg injury be your excuse to get fat, burn calories and tone up with a cardio workout that you can do in bed.

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