Many teens are still abusing prescription painkillers, even as the use of stimulant drugs declined, according to an annual study of teen drug and alcohol use released today.

The 2008 Monitoring the Future Survey, conducted by scientists at the University of Michigan and sponsored by the National Institute on Drug Abuse, which is part of the NIH, surveyed 8th, 10th and 12th graders about their habits regarding drugs and alcohol. This is the 34th year for the study.

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