In the United States, nearly 15 percent of households are food insecure; they have limited or uncertain access to food. This research synthesis reviews studies that examine the relationship between food insecurity and obesity in the United States, particularly involving children and families. Because of the policy implications inherent in examining this issue, the authors also assess the role that nutrition assistance programs may play in the relationship between food insecurity and obesity in the United States.
Age Groups: Adolescents (grades 9 to 12), Adults and Families, Elementary-age children (grades K to 5), Preschool-age children (ages 3 to 5), Young adolescents (grades 6 to 8)
Keywords: Farmers' markets, Food insecurity, Fruits and vegetables, School meal programs, Supplemental Nutrition Assistance Program (SNAP), Women, Infants, and Children (WIC)
Focus Areas: Food Access, Nutrition Policy & Programs
Resource Type: Research Review
Related Research
May 2026
A Pediatric Perspective on the 2025-2030 Dietary Guidelines
Clear, evidence-based guidance on what foods and beverages children and adolescents should consume—and in what amounts—is foundational for promoting healthy growth and preventing diet-related chronic disease across the life course. Yet many children and adolescents in the US continue to have diets of poor nutritional quality. The Dietary Guidelines for Americans (DGAs), issued every 5 MoreMay 2026
Ultraprocessed Foods in the U.S.: Recommended Definitions and Policies
Despite growing interest in ultraprocessed foods (UPFs), there is not consensus on how to define UPFs for policy purposes. To meet this need, Healthy Eating Research convened an expert panel to develop evidence-informed recommendations for policymakers and advocates interested in advancing policies to limit UPF exposure and consumption at the local, state, and federal levels. MoreApril 2026