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The Environmental Health Services Branch provides the practice-based research, training, technical assistance, and evidence-based guidance needed by state, tribal, local, and territorial environmental health practitioners to prevent environmental exposures and protect health.

Little is known about how the nutrition environment in after-school settings may affect children’s dietary intake. We measured the nutritional quality of after-school snacks provided by programs participating in the National School Lunch Program or the Child and Adult Care Food Program and compared them with snacks brought from home or purchased elsewhere (nonprogram snacks). We quantified the effect of nonprogram snacks on the dietary intake of children who also received program-provided snacks during after-school time. Our study objective was to determine how different sources of snacks affect children’s snack consumption in after-school settings.

CDC’s Environmental Health Services Branch provides resources on preventing foodborne illnesses and outbreaks, protecting water, and improving environmental health service performance.