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Tuesday, March 23, 2010

Eliminating Junk Foods At Schools May Help Prevent Childhood Obesity

Not according to the study.
Between 2003 and 2005, Governor Shwarzenegger signed SB 677, SB 965 and SB 12 into law, the first comprehensive set of statewide policies to eliminate sodas and other highly sweetened beverages and restrict the sale of junk foods in all of California's public schools. Although many other states subsequently enacted similar standards, potential effects on childhood obesity were uncertain.

Sanchez-Vaznaugh and co-investigators used eight years of body mass index (BMI) data from fifth and seventh grade students collected as part of California's annual Physical Fitnessgram testing. The study compared BMI trends in the years preceding the enactment of the legislation with the years following the legislation. The data show that before the policies took effect, the rate of overweight students was increasing among all groups in the study (girls and boys in fifth and seventh grades). However, in the 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 obesity rates still increased, only, so they claim, more slowly.

Get wool, place over eyes.

"Prevention" like this is not prevention.

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