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HEALTH: The 20-Minute Workout
nytimes.com 2 weeks, 6 days agoGretchen Reynolds, the Phys Ed columnist, on the science of high-intensity interval training, or H.I.T., which scientists are finding can be as effective as longer endurance training.
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Well: Phys Ed: The 20-Minute Workout Video
nytimes.com 2 weeks, 2 days agoIn the first of her Phys Ed videos, which will appear regularly on Well, Gretchen Reynolds introduces us to a laboratory at McMaster University in Ontario where researchers are studying how high-intensity interval training can compress effective exercise into just a few minutes.










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