Current guidelines for physical activity
In order to promote & maintain health, the American College of Sports Medicine & American Heart Association guidelines for adults between 18 and 65 years of age recommend 30 minutes of moderate intensity exercise on 5 days a week or vigorous exercise for 20 minutes on 3 days of the week.
In addition, they recommend 8- 10 strength-training exercises, 8- 12 repetitions of each exercise, twice a week. But, the big question is, does this level of physical acti vity help to get rid of mid life weight gain, or even maintain weight in a woman with normal body mass index?
"There is plenty of research on treating overweight and obesity - that is looking at strategies for weight loss among overweight or obese persons, but very little research on preventing weight gain in the first place. Most overweight and obese persons who lose weight do not successfully maintain their weight loss over time, and so, from a public health perspective, preventing that initial weight gain is important," said I-Min Lee, an associate professor of epidemiology at Harvard School of Public Health (HSPH), epidemiologist in the Division of Preventive Medicine, and associate professor of medicine at Harvard Medical School.
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