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FILE - In this Tuesday, Jan. 21, 2014 file photo, Oumou Balde, 4, left, plays with her teacher Jacqualine Sanchez, right, and pretend food in a pre-kindergarten class at the Sheltering Arms Learning Center in New York in a program to educate children about nutrition and health. According to a study published Tuesday, Jan. 25, 2014 in the Journal of the American Medical Association, researchers found that obesity among children ages 2 to 5 dropped - to 8 percent, from 14 percent a decade ago. (AP Photo/Seth Wenig, File)

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