Tufts University Aug 12 2025 Using dollar stores for food purchases may be a common practice for Americans looking to free up funds for the rest of their grocery list, researchers from Tufts University School of Medicine, the Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy at Tufts University, and the USDA-Economic Research Service report on August 11 in the Journal of the Academy of Nutrition and Dietetics .  Their multi-year analysis of where households buy their non-