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Thursday, November 12, 2009

In Increased Obesity Rates Among Adolescents, Decrease In Physical Activity May Not Be A Factor

Almost certainly true - exercise is a terribly inefficient (and ineffective) way to control weight.
"Decreased physical activity may have little to do with the recent spike in obesity rates among U.S. adolescents, according to researchers at the Johns Hopkins Bloomberg School of Public Health. Prompted by growing concern that the increase was due to decreased physical activity associated with increased TV viewing time and other sedentary behaviors, researchers examined the patterns and time trends in physical activity and sedentary behaviors among U.S. adolescents based on nationally representative data collected since 1991. The review found signs indicating that the physical activity among adolescents increased while TV viewing decreased in recent years. The results are featured in the October 30 online issue of Obesity Reviews."
Believe it.

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