This obviously propaganda from the BPLF.

"Not only are physically unattractive teenagers likely to be stay-at-homes on prom night, they're also more likely to grow up to be criminals, say two economists who tracked the life course of young people from high school through early adulthood."

http://www.washingtonpost.com/wp-dyn/content/article/2006/02/16/AR2006021602039_pf.html