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Prevalence and Attitudes Regarding Marijuana Use Among Adolescents Over the Past Decade.

著者 Miech R , Johnston L , O'Malley PM
Pediatrics.2017 Nov 06 ; ():.
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Adolescent marijuana prevalence has not increased since 2005 despite a substantial decrease in the percentage of adolescents who believe marijuana use leads to great risk of harm. This finding calls into question the long-standing, inverse connection between marijuana prevalence and perceived risk of use, a connection central to many arguments opposing marijuana legalization. We tested 2 hypotheses for why marijuana prevalence did not increase after 2005: (1) decreases in adolescent use of cigarettes and alcohol reduced risk for marijuana use and counteracted the expected risk in marijuana prevalence, and/or (2) perceived risk of harm now plays a smaller role in marijuana use.
PMID: 29109106 [PubMed - as supplied by publisher]
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