Although no demographic group in the United States has been untouched by the childhood obesity epidemic, there is evidence that some subgroups of the U.S. population have been affected more than others. As discussed below, certain ethnic minority populations, children in low-socioeconomic-status families, and children in the country's southern region tend to have higher rates of obesity than the rest of the population. Either the factors driving the obesity epidemic are more pronounced in these high-risk populations and communities, or their children and adolescents may be more sensitive to, or less able to avoid, the causal factors when present. Additional efforts will be needed to identify the nature of the risk for obesity in these high-risk population subgroups.
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