Overall drug use among older teens (10th- and 12th-graders) continues to decline for the fourth year in a row, while the steady long-term rate of decline among eighth-graders, noted since 1996, has reached a plateau this year, according to the most recent Monitoring the Future (MTF) annual survey.FIG1 

Released jointly in December 2005 by the National Institute on Drug Abuse(NIDA) and Institute for Social Research at the University of Michigan, MTF was drawn from a nationally representative sample of approximately 50,000 students. It examines substance abuse trends of eighth-, 10th- and 12th-grade children. The survey was launched in 1975 and has been funded by NIDA, under a series of competitive research grants made to the University of Michigan.FIG2 

Use of marijuana and other illicit drugs has seen a substantial decline since peak levels in the mid-1990s. Since 1996, reported use of any illicit drug in the 12 months...

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