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Eliminating junk foods at schools may help prevent childhood obesity
Date:3/2/2010

three year period after the policies became effective, the increase in the number of overweight children was significantly reduced among fifth-grade boys and seventh-grade students of both sexes throughout California. The pre- and post-policy trends in overweight were not significantly different among fifth-grade girls.

The researchers also looked at children in the Los Angeles Unified School District (LAUSD) separately, because the district passed slightly stricter, but otherwise similar policies in their district the year before the passage of California's SB 677. Prior to the implementation of the policy there was an upward trend of overweight fifth and seventh-grade students in the Los Angeles area. When the researchers compared these trends in the period after the new policies were implemented, they found that the increasing trend in the number of overweight fifth-grade students in the Los Angeles significantly slowed. There were no significant changes among seventh-grade students in Los Angeles.

"Although policymakers cannot directly influence student behavior, our study shows that governmental policies can help define the environment in which children learn to make food choices and thus shape the food behaviors, influencing overweight trends in entire student populations," Sanchez-Vaznaugh said. She also cautions that there is still a lot to do to stem obesity in California's public schools.

She cites school campus proximity -- particularly in poorer neighborhoods -- to stores selling unhealthful foods and beverages that stand in opposition to nutritional objectives set by the U.S. Department of Agriculture. Limited resources and budget cuts hamper schools from offering both healthful, good-tasting alternatives and physical education programs. "Only about 40 percent of children in our study were considered physically fit," Sanchez-Vaznaugh said.


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Contact: Denize Springer
denize@sfsu.edu
415-405-3803
San Francisco State University
Source:Eurekalert

Page: 1 2

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