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?

Fad diets, such as the South Beach Diet or Master Cleanse, come and go. Learn more about the craziest diet trends of all time from this article.

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Does drinking ice water burn calories?

Heating things up burns calories -- that's a scientific fact. But can drinking ice water really help you burn calories?

Smart for Life: What You Need to Know

When it comes to weight loss, burn more calories than you consume. At 1,100 daily calories, you're almost guaranteed to lose weight if you follow the Smart for Life plan.

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