There aren’t many differences between the food purchases of SNAP and non-SNAP households[0]. While Food Stamp recipients are more likely to be obese, there is not a strong correlation between that obesity and the food stamps [1].

[0]https://www.jacobinmag.com/2017/01/food-stamps-snap-welfare-... [1]https://www.theatlantic.com/health/archive/2017/05/the-messy...