Er... could it be that the kids in dangerous neighborhoods had poor diets, living off fast food and other lousy cheap food? Maybe safe parents can afford the salads and health foods that keep people thin? Naw, couldn't be that. CRIME is the criminal, not economics, right America?
You EXPECT Americans to be dumb... but SCIENCE NEWS? Come on!
A link to the actual study is: http://www.facebook.com/l.php?u=http%3A%2F%2Farchpedi.jamanetwork.com%2FIssue.aspx%3Fjournalid%3D75%26issueID%3D5067%26direction%3DP&h=jAQHrDASc