Epidemiology Substance_abuse
disability-adjusted life year drug use disorders per 100,000 inhabitants in 2004.
total recorded alcohol per capita consumption (15+), in litres of pure alcohol
the initiation of drug , alcohol use occur during adolescence, , experimentation substances older adolescents common. example, results 2010 monitoring future survey, nationwide study on rates of substance use in united states, show 48.2% of 12th graders report having used illicit drug @ point in lives. in 30 days prior survey, 41.2% of 12th graders had consumed alcohol , 19.2% of 12th graders had smoked tobacco cigarettes. in 2009 in united states 21% of high school students have taken prescription drugs without prescription. , earlier in 2002, world health organization estimated around 140 million people alcohol dependent , 400 million alcohol-related problems.
studies have shown large majority of adolescents phase out of drug use before becomes problematic. thus, although rates of overall use high, percentage of adolescents meet criteria substance abuse lower (close 5%). according bbc, worldwide, un estimates there more 50 million regular users of morphine diacetate (heroin), cocaine , synthetic drugs.
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