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Even Short Bursts of Exercise Can Reduce Americans' Risk of Disease And Death, Study Says

from Good Morning America via Yahoo! News

From March 27: ACSM board member, Bill Krauss, M.D., is interviewed as the subject matter expert for this article.

Do the national exercise guidelines need a change? That’s a question raised by a new study by researchers at the National Cancer Institute and the National Institutes of Health.

Americans are bombarded with mixed messages: Exercise only counts if you do it this way or that way, or for a short time or a long time. Confused, some seem to be willing to sit down on the couch and wait till all the recommendations are straightened out. But with the benefits of exercise so important to health, this study hopes to bring some clarity and reassure people that some is better than none -- and that it is linked to curtailing premature death.

"Virtually all [studies] report that higher volume of [moderate or vigorous physical activity, MVPA], whether performed intermittently or in sustained bouts, lowers all-cause mortality," wrote Deborah Rohm Young and William L. Haskell in an editorial accompanying research published in the Journal of the American Heart Association.

The old benchmark of 150 minutes per week of moderate activity (or 75 minutes of vigorous activity) originated in 1995. The “rules”: Each time you exercise, it should be for at least 10 minutes. more

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