It can be a constant struggle for parents - keeping tweens and young teens from getting into R-rated movies.
Take this spring's "Hot Tub Time Machine." It shows plenty of drinking, sex and drug use ... just the sort of images we don't want impressionable kids to see. Well, now comes more evidence that it's a fight worth waging.
Researchers from Dartmouth University studied 3,600 middle schoolers. Among those not allowed to watch R-rated films, three percent were drinking alcohol within about two years. But among those regularly allowed to watch R-movies ... a quarter had begun drinking by then. Other studies have found similar links between movies and both sex and drugs.
Kids pressure parents for a lot of things. You may not be considered the coolest parents around but if the study is correct and life imitates art, you should just say no to grown-up movies for kids.
That's a page from my notebook.
I'm Katie Couric, CBS News.
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