Published in Medical Letter on the CDC and FDA, October 29th, 2006
"Levels of physical activity (PA) contribute to health status and outcomes directly and indirectly via the effects of PA on obesity and other risk factors. Much past surveillance has focused on leisure-time physical activity (LTPA), but this may bias estimates of prevalence," scientists in the United States report.
D. Berrigan and colleagues working with the National Cancer Institute proposed, "This study explores inclusion of nonleisure-time walking and bicycling (NLTWB) used for transportation on the prevalence of adherence to PA recommendations and...
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