Nearly one-third of children age 10 to 17 in the United States were overweight as of 2007, and roughly half those kids qualified as obese, a new survey shows. Obesity rates rose in 36 states since the last sampling in 2003, according to data that will appear in the July issue of Archives of Pediatrics & Adolescent Medicine. Mississippi had the highest obesity rate in this age group at nearly 22 percent in 2007; Oregon had the lowest at 9.6 percent.
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