What is the fine-grained topic of the following text: Such efforts provide patients a small opportunity to gain access to nutritious food, but arguably the program’s greatest impact is in enrolling people into government aid programs such as the Supplemental Nutrition Assistance Program, or SNAP, and the Special Supplemental Nutrition Program for Women, Infants and Children, known as WIC. Only return the topic.
Enrollment in government aid nutrition programs like SNAP and WIC.