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Figure 5.3 is titled "Mean Age for Past Year Initiates, by Illicit Drug: 2004." This is a bar graph, where the type of illicit drug is shown on the horizontal axis and the mean age in years is shown on the vertical axis.

The mean age of past year initiates of inhalants was 16.0, of marijuana it was 18.0, of LSD it was 18.4, of PCP it was 18.9, of Ecstasy it was 19.5, of cocaine it was 20.0, of pain relievers it was 23.3, of stimulants it was 24.1, of heroin it was 24.4, of tranquilizers it was 25.2, and of sedatives it was 29.3.

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This page was last updated on May 20, 2008.

SAMHSA, an agency in the Department of Health and Human Services, is the Federal Government's lead agency for improving the quality and availability of substance abuse prevention, addiction treatment, and mental health services in the United States.

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