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Date: 2011-12-15 10:47:26Health in the United States Physical Activity Guidelines for Americans United States Department of Health and Human Services Epidemiology Pain Chronic Public health Obesity Behavioral Risk Factor Surveillance System Health Medicine Centers for Disease Control and Prevention | Preventing Chronic DiseaseAdd to Reading ListSource URL: www.cdc.govDownload Document from Source WebsiteFile Size: 308,22 KBShare Document on Facebook |