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Activity May Lower MI Risk
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Medpagetoday.com REPORTS HERE that "physical activity during leisure time and on the job was associated with a lower likelihood of having an MI, an analysis of the large INTERHEART study showed."

"All levels of intensity of leisure-time exercise were associated with lower odds of acute MI, whereas only mild-to-moderate physical activity at work reduced the likelihood of MI …. In addition, people who owned both a car and a television were more likely than those who owned neither to have an acute MI, the researchers reported."

"Physical activity should be encouraged for both men and women of all ages as a preventive act against the development of cardiovascular disease," they concluded.

"Previous studies conducted in developed countries have shown a relationship between higher levels of physical activity and lower risks of cardiovascular disease. The original results of the case-control INTERHEART study, for example, showed that regular exercise was associated with a relative 14% lower risk of acute MI."

"Individuals who had an acute MI were more likely to be sedentary during leisure time (61% versus 54.4%) and at work (35.9% versus 33.6%) than the controls."

"For occupational activity, both light activity and moderate activity were associated with lower odds of acute MI compared with being sedentary. Strenuous activity was not related to the likelihood of acute MI, possibly because of the nature of the activity, such as lifting heavy objects rather than aerobic exercise."

"For leisure-time activity, the odds of acute MI were lower with mild exercise and moderate-to-strenuous exercise. The likelihood of MI was lower even in individuals getting 30 minutes of exercise or less per week."

"Staying physically fit throughout life may well be one of the easiest, cheapest, and most effective ways to avoid the coronary care unit," they wrote in an accompanying editorial.


 
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Original clinical study reports, which contain far more detail than published randomized trials, should be made available to independent researchers seeking to verify efficacy and safety claims.

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