Dr. Richard Besser, ABC News's Chief Health and Medical editor and formerly the acting director of the American Centers for Disease Control and Prevention and Agency for Toxic Substances and Disease ... more 
Dr. Richard Besser, ABC News's Chief Health and Medical editor and formerly the acting director of the American Centers for Disease Control and Prevention and Agency for Toxic Substances and Disease Registry discusses the need for schools to do better with keeping kids fit. less 
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Thu, Apr 17, 2014 6:06 PM EDT