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?

Regular physical activity can improve heart health, strength, and endurance. Explore the many other mental and physical benefits of exercise.

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Quick Tips: What is Kundalini yoga?

Kundalini yoga, like other forms of yoga, focuses on breath and postures but emphasizes hand gestures and chanted mantras. See if Kundalini yoga is for you

Nike + iPod Exercise

The Nike + iPod combines a portable music player with a pedometer -- two devices that runners have used for years. Find out how the Nike + iPod is considerably more advanced than an ordinary pedometer.

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