The Best Ways to Boost Your Metabolism

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Kick it up a notch

The next time you run, swim, or even walk, ramp up the intensity for 30-second intervals, returning to your normal speed afterward. Using this strategy will help you consume more oxygen and make your cell powerhouses, the mitochondria, work harder to burn energy, explains Mark Hyman, MD, an integrative and functional medicine specialist in private practice in Lenox, Massachusetts, and author of Ultrametabolism: The Simple Plan for Automatic Weight Loss. "You increase the number of mitochondria and how efficiently they burn throughout the day," he explains.This way, you can exercise for less time than it takes to plod along at the same pace and still get great results.

Here's how to do it: Exercise for 5 minutes at 3.5 mph. Increase your speed to 4 mph for 60 seconds. Then go back down to 3.5 mph for 90 seconds. Repeat the entire sequence 5 times, twice a week. (To get a more challenging workout, increase the incline or your pace.)

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