Hillier A, et al. The impact of WIC food package changes on access to healthful food in two low-income urban neighborhoods. J Nutr Educ Behav. May 2012;44(3):210-216.
The researchers evaluated the impact of the 2009 WIC food package changes on the availability of healthful food. After the introduction of the new food packages, the availability of healthful food increased significantly in stores, overall, with more substantial increases in WIC-authorized stores.