Drug Use A new federal study shows a continuing upward trend in teenage marijuana and tobacco use. Nearly one in five eighth graders say they smoke cigarettes; one in ten report recent marijuana use. There are trends downward for some drugs, however. NPR's Richard Harris reports.

Drug Use

Drug Use

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A new federal study shows a continuing upward trend in teenage marijuana and tobacco use. Nearly one in five eighth graders say they smoke cigarettes; one in ten report recent marijuana use. There are trends downward for some drugs, however. NPR's Richard Harris reports.