Food stamps could help US trim obesity epidemic

This is the San Francisco that the tourists never see: the Alice Griffith housing project in the neighbourhood of Bayview-Hunters Point is as distressing an example of urban decay as you'll witness anywhere in the US.

http://www.newscientist.com/article/dn23978-food-stamps-could-help-us-trim-obesity-epidemic.html?cmpid=RSS%7CNSNS%7C2012-GLOBAL%7Conline-news