The news on working on out just keeps getting better.
This year, Gretchen Reynolds of the New York Times has been covering the research on the benefits of brief bursts of high energy interval workouts. Who knew the benefits could come from as short as four seconds of intense exercise? I've been a fan of the interval workouts for a while now. A few years ago, I ran across a piece in the paper about the "7-minute workout," which I modified as my own 9-minute workout. Now, I have a few different short but intense workouts that I believe are an asset in my overall good health as a 50-year-old.
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