Erowid References Database
“Stages in Adolescent Involvement in Drug Use”.
Two longitudinal surveys based on random samples of high school students in New York State ind icatefour stages in the sequence of involvement with d rugs: beer or wine, or both; cigarettes or hard liquor; marijuana; and other illicit drugs. The legal drugs are necessary intermediates between nonuse and marijuana. Whereas 27 percent of high school sruderls who smoke and drink progress to marihuana within a 5- to 6-month follow-up period, only 2 percent of those who have not used any legal substance do so. Marihuaria, in turn. is a crucial step on the way to other illicit drugs. While 26 percent of marijuana users progress to LSD, amphetamines, or heroin, only I percent of nondrug marihuaria IMers and 4 percent of legal drug users do so. This sequence is found in each of the 4 years in lligil school and in the year after graduation. The reverse sequence holds for regression in drug use.
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