Philly students less obese

Rate of obese children drops 5% in four years.

Obesity rates for Philadelphia schoolchildren fell significantly over four years, researchers reported Thursday, suggesting that the sort of steps taken here in one of the hardest-hit cities might help reverse a national epidemic.

The rate of obese local public-school students dropped nearly 5% between 2006 and 2010, when national obesity rates remained unchanged after tripling since the mid-1970s. 

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