How does state marijuana policy affect U.S. youth? Medical marijuana laws, marijuana use and perceived harmfulness: 1991–2014

AIMS: To test, among US students: 1) whether perceived harmfulness of marijuana has changed over time, 2) whether perceived harmfulness of marijuana changed post-passage of state medical marijuana laws (MML) compared with pre-passage; 3) whether perceived harmfulness of marijuana mediates and/or mod...

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Bibliographic Details
Published in:Addiction
Main Authors: Keyes, Katherine M., Wall, Melanie, Cerdá, Magdalena, Schulenberg, John, O’Malley, Patrick M., Galea, Sandro, Feng, Tianshu, Hasin, Deborah S.
Format: Artigo
Language:Inglês
Published: 2016
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Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC5222836/
https://ncbi.nlm.nih.gov/pubmed/27393902
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1111/add.13523
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