The Supplemental Nutrition Assistance Program (SNAP): History, Politics, and Public Health Implications.

This commentary introduces a special section of AJPH on the Supplemental Nutrition Assistance Program (SNAP), the US government's largest antihunger program and third-largest antipoverty program. SNAP demonstrably lifts adults, children, and families out of poverty, thereby constituting a vital component of this nation's public health safety net. Despite its well-documented benefits, SNAP is under political and budgetary siege, mainly from congressional representatives and lobbying groups opposed to a federal role in welfare. In part, SNAP is protected from total annihilation by its unusual authorizing legislation—the Farm Bill. This commentary provides a brief overview of the political history of SNAP and its Farm Bill location as background to the deeper analyses provided in this series of articles. [ABSTRACT FROM AUTHOR]
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