Girls Don't Follow Trends in Marijuana Risk, Researchers Say / Join Together, 4 March 2008
http://digbig.com/4wnjn
"Risk of marijuana use among "deviance-prone" adolescent males tends to rise and fall with national drug-use trends, but the same is not true for girls. Deviance-prone girls are as likely to use marijuana during times where marijuana use is less popular. The research will appear in the March 2008 issue of the journal Prevention Science."