Teen marijuana use continues to rise, according to the latest annual Monitoring the Future survey. Some, including the Associated Press, are noting that the popularity of pot on high school campuses correlates with the increasing legality of cannabis across America.
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The survey found that nearly 1 in 4 (23 percent) of U.S. high school seniors have toked in the last month. More than a third (36 percent) say they've smoked in the last year.
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