Since the launch of first lady Michelle Obama's Let's Move! initiative, school nutrition professionals in Washoe County, Nev., have worked to make the school-meal program more "cost-efficient and beneficial for the kids," said Tony Cook, director of nutrition services. That includes a commitment to serving healthier food, with a focus on whole grains, fruits and vegetables. Already, officials have seen a decrease in the percentage of students in the district who are overweight or obese.

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