The survey also found that teens who say they watch three or more R-rated movies in a typical month — about 43 percent — are seven times likelier to smoke cigarettes and six times likelier to try alcohol than teens who do not watch R-rated movies.

The correlation between R-rated movie watching and the risk of substance-abuse remains even after controlling for age, the report said. This was the first time the annual survey asked about R-rated movies.

I'm just waiting for some dumbass politico to jump on this. Why not see if there is something else going on that gives access to the movies, like I don't know, parents who don't pay any damn attention to their kids? I'd be willing to bet that the group in this quote from the article,

The report found that teens who confided in their parents were at much lower risk of drug abuse than teens who turn first to another adult.

and the group watching the movies, has virtually no match up.

Want to keep your kids off drugs? Spend more time talking to them and less time bitching about how all the "evil" things in the world are trying to get your kids hooked.