The 20 second workout

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Have you guys heard of this? Supposedly doing 20 seconds of high intensity exercise, 3 times a week is supposed to help you lose weight and be in better health. Sounds waaaay too good to be true to me. I posted the link below. What do you guys think?


http://news.yahoo.com/blogs/nightline-fix-abc-news/20-second-workout-fast-exercise-best-thing-130233229.html?vp=1