Schools doing better on nutrition

It's harder to find a french fry in a school cafeteria these days, and junk food is less common at school fundraisers, a federal study has found. But when it comes to encouraging healthy habits, the nation's schools still aren't earning straight As. About 19 percent of schools served french fries to students in 2006, down from 40 percent six years earlier, according to the study by the Centers for Disease Control and Prevention.

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