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8 Benefits of High-Intensity Interval Training (HIIT)


Increase Metabolism —– In addition to increased fat burning and more muscle preserved, HIIT stimulates production of your human growth hormone (HGH) by up to 450 percent during the 24 hours after you finish your workout. This is great news since HGH is not only responsible for increased caloric burn but also slows down the aging process, making you younger both inside and out!



Source by SoDuLondon

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