Among drugs that showed almost no change in 2005 were cocaine, crack, and heroin. The annual prevalence rate for powder cocaine is 1.7%in the eighth grade, 3% in tenth grade, and 4.5% in twelfth grade. Crystal methamphetamine prevalence is 2.3% in twelfth graders. Heroin use peaked in 2001and is now slightly below 1% in all three grades. Narcotics other than heroin is reported only for the twelfth grade with the annual prevalence rate at 9%. Vicodin and Oxycontin are the most common.
Alcohol and cigarettes are the most common substances youth use. Half of American youth have tried cigarettes by the twelfth grade, and 23% are current smokers. By the eighth grade, 26% have tried cigarettes, and 1 in 11 has become a current smoker. Cigarette use reached its peak in 1996. Declines in smoking among this age-group seem to have leveled; no significant declines occurred in 2005.
Seventy-five percent of high school seniors have tried alcohol (more than just a few sips), and 41% have done so by the eighth grade. More than half (58%) of seniors and 20% of eighth graders reported being drunk at least once, which cause concern given the fact that alcohol disorders develop faster when drinking begins early.
Among drugs that showed almost no change in 2005 were cocaine, crack, and heroin. The annual prevalence rate for powder cocaine is 1.7%in the eighth grade, 3% in tenth grade, and 4.5% in twelfth grade. Crystal methamphetamine prevalence is 2.3% in twelfth graders. Heroin use peaked in 2001and is now slightly below 1% in all three grades. Narcotics other than heroin is reported only for the twelfth grade with the annual prevalence rate at 9%. Vicodin and Oxycontin are the most common. Alcohol and cigarettes are the most common substances youth use. Half of American youth have tried cigarettes by the twelfth grade, and 23% are current smokers. By the eighth grade, 26% have tried cigarettes, and 1 in 11 has become a current smoker. Cigarette use reached its peak in 1996. Declines in smoking among this age-group seem to have leveled; no significant declines occurred in 2005. Seventy-five percent of high school seniors have tried alcohol (more than just a few sips), and 41% have done so by the eighth grade. More than half (58%) of seniors and 20% of eighth graders reported being drunk at least once, which cause concern given the fact that alcohol disorders develop faster when drinking begins early.
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