Drug war: proven waste of time and money

"A federally funded anti-drug media campaign during the first half of the decade did little to curb teen marijuana use, and may have increased it, researchers here found . . .

During the study period, the National Youth Anti-Drug Media Campaign -- supervised by the White House's Office of National Drug Control Policy -- spent nearly $1 billion on advertising, with the stated goal of preventing kids from trying drugs and getting occasional drug users to stop.

In a surprising finding, the researchers said, exposure to anti-drug advertising during the third round of interviews was associated with the initiation of marijuana use in round four"

http://www.medpagetoday.com/InfectiousDisease/PublicHealth/11368