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01-02-2019

Using Existing Data to Advance Knowledge About Adolescent and Emerging Adult Marijuana Use in the Context of Changes in Marijuana Policies

Authors: Katarina Guttmannova, Abenaa Acheampong Jones, Julie K. Johnson, Sabrina Oesterle, Renee M. Johnson, Silvia S. Martins

Published in: Prevention Science | Issue 2/2019

Excerpt

Although marijuana remains an illegal substance under US federal law, there have been substantial and geographically widespread changes in state policy since 1996. As of October 2018, nine states and the District of Columbia had both medical marijuana laws (MMLs) and recreational marijuana laws (RMLs), and an additional 22 states had MMLs only (National Conference on State Legislatures [NCSL] 2018). In the November 2018 election, Utah and Missouri passed MMLs and Michigan—which already had an MML—passed an RML (Hauser 2018). Approximately two-thirds of US residents currently live in states with MMLs or RMLs, or both. Although the loosening of state-level restrictions on marijuana has been framed as beneficial for reducing the human, social, and economic costs associated with a criminal justice approach (Hawken et al. 2013), it has also spurred concerns about possible public health consequences, particularly for young people (Compton et al. 2017; Hasin 2018). These include potential increases in use of marijuana and other substances, substance use disorders, marijuana-related motor vehicle crashes, and educational and occupational underperformance (Hall 2018; Kilmer 2017; Pacula and Sevigny 2014; Volkow et al. 2014). So far, research has yielded limited evidence for a post-MML increase in marijuana use and related outcomes among adolescents and emerging adults (i.e., those aged 18–25 years; Hasin 2018; Leung et al. 2018; Sarvet et al. 2018a) and, as outlined in the introduction to this special issue, the evaluation of the short-term effects of RMLs is only in its beginning (Johnson and Guttmannova 2019). Many questions still remain about the impact of marijuana policy change on adolescents and emerging adults, including whether findings of studies of RMLs will differ from those of MMLs. …

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Title: Using Existing Data to Advance Knowledge About Adolescent and Emerging Adult Marijuana Use in the Context of Changes in Marijuana Policies
Authors: Katarina Guttmannova
Abenaa Acheampong Jones
Julie K. Johnson
Sabrina Oesterle
Renee M. Johnson
Silvia S. Martins
Publication date: 01-02-2019
Publisher: Springer US
Published in: Prevention Science / Issue 2/2019
Print ISSN: 1389-4986
Electronic ISSN: 1573-6695
DOI: https://doi.org/10.1007/s11121-019-00991-w

At a glance: The STEP trials

Springer Medicine

Using Existing Data to Advance Knowledge About Adolescent and Emerging Adult Marijuana Use in the Context of Changes in Marijuana Policies

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At a glance: The STEP trials

Springer Medicine

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The Interplay Between Marijuana-Specific Risk Factors and Marijuana Use Over the Course of Adolescence

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Impact of Medical Marijuana Laws on State-Level Marijuana Use by Age and Gender, 2004–2013

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