Healthy Retail as a Strategy for Improving Food Security and the Built Environment in San Francisco.

In low-income neighborhoods without supermarkets, lack of healthy food access often is exacerbated by the saturation of small corner stores with tobacco and unhealthy foods and beverages. We describe a municipal healthy retail program in San Francisco, California, focusing on the role of a local coalition in program implementation and outcomes in the city's low income Tenderloin neighborhood. By incentivizing selected corner stores to become healthy retailers, and through community engagement and cross-sector partnerships, the program is seeing promising outcomes, including a "ripple effect" of improvement across nonparticipating neighborhood stores