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Staying Healthy
Mini workouts can add up to better health
Research we're watching
Image: © RoBeDeRo/Getty Images
Good news for people who struggle to find time for exercise: every little bit matters, even if your "workout" is broken up throughout the day. To come to this conclusion, researchers who published their results March 23 in the Journal of the American Heart Association looked at data from 4,840 people ages 40 and older who participated in the National Health and Nutrition Examination Survey from 2003 to 2006. People who spent the shortest amount of time in moderate or vigorous activity — 20 minutes or less daily — had the highest risk of dying during the roughly six-year follow-up period. But those who got at least an hour of moderate or vigorous activity cut that risk in half, and those who got at least 100 minutes a day cut their death risk by 76%. And they didn't have to get those 100 minutes all at once. Even short bursts of activity at different points in the day added up to reduced risk.
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