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Scooped by Seth Bilazarian, MD
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Only 1 in 5 Americans Gets Enough Exercise

Only 1 in 5 Americans Gets Enough Exercise | Heart and Vascular Health | Scoop.it

The news was less disappointing for aerobic exercise, with 51.6% of adults getting the recommended amount, than it was for muscle-strengthening activities, with only 29.3% getting the recommended amount.

The overall exercise rates also varied widely by state, ranging from 13% in Tennessee and West Virginia to 27% in Colorado.

The report was published in the May 3 issue of the Morbidity and Mortality Weekly Report, a CDC publication.

"Exercise not only helps with weight management, it helps reduce anxiety and depression; boosts energy, immunity and brain power; and significantly lowers the risk for chronic diseases such as cancer, diabetes and cardiovascular disease," she said.

According to the Physical Activity Guidelines for Americans, adults should get at least:

=>  two and a half hours a week of moderate-intensity aerobic activity such as walkin

=>  or an hour and 15 minutes a week of vigorous-intensity aerobic activity, such as jogging.

In addition, adults should do muscle-strengthening activities, such as push-ups, sit-ups or activities using resistance bands or weights. These exercises should be done two or more days a week and work all major muscle groups, the guidelines suggested.

The highest proportion of adults meeting those guidelines were in the West (24 percent) and the Northeast (21 percent). Women, Hispanics and older and obese adults were less likely to meet the guidelines

"Simple steps to start moving include: enlisting a friend or family member to join you; taking a walk every evening after dinner; getting up and marching in place at every TV commercial; limiting TV and computer time; [and] scheduling your time to exercise in your daily calendar,

Seth Bilazarian, MD's insight:

The authors put a positive spin on this report but half of Americans are not exercising even at these modest recommendation levels (75 minutes of vigorous exercise per week).  The muscle strengthening data is even worse: 80% of Americans are not doing it.

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Scooped by Seth Bilazarian, MD
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Weight Training Reduces Risk of Type 2 Diabetes Mellitus in Men

Weight Training Reduces Risk of Type 2 Diabetes Mellitus in Men | Heart and Vascular Health | Scoop.it

Take Home Message: Physicians have recommended a MINIMUM of 150 minues of exercise weekly for diabetic risk reduction but the role resistance training or weight lifting is not certain.  In this study, weight training was associated with a significantly lower risk of Type 2 Diabetes (T2DM), independent of aerobic exercise. Combined weight training & aerobic exercise conferred a greater benefit.

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Association of weight training with risk of T2DM in US men & to assess the influence of combining weight training and aerobic exercise, a prospective cohort study of 32 002 men from the Health Professionals Follow-up Study from 1990-2008. Weekly time spent on weight training & aerobic exercise (including brisk walking, jogging, running, bicycling, swimming, tennis, squash, and calisthenics/rowing) was obtained from questionnaires at baseline and biennially during follow-up. 

During 508 332 person-years of follow-up (18 years)

=> 2278 new cases of T2DM

=> dose-response relationship: increasing time spent on weight training or aerobic exercise and lower risk of T2DM (P < .001 for trend)

=> Engaging in weight training or aerobic exercise for at least 150 minutes per week was independently associated with a lower risk of T2DM of 34% (95% CI, 7%-54%) and 52% (95% CI, 45%-58%), respectively.

+> Men who engaged in aerobic exercise & weight training for at least 150 minutes per week had the greatest reduction in T2DM risk (59%; 95% CI, 39%-73%)

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