Current state of cannabis use, policies, and research across sixteen countries: cross-country comparisons and international perspectives

Abstract Introduction Varying public views on cannabis use across countries may explain the variation in the prevalence of use, policies, and research in individual countries, and global regulation of cannabis. This paper aims to describe the current state of cannabis use, policies, and research across sixteen countries. Methods PubMed and Google Scholar were searched for studies published from 2010 to 2020. Searches were conducted using the relevant country of interest as a search term (e.g., “Iran”), as well as relevant predefined keywords such as “cannabis,” “marijuana,” “hashish,” “bhang “dual diagnosis,” “use,” “addiction,” “prevalence,” “co-morbidity,” “substance use disorder,” “legalization” or “policy” (in English and non-English languages). These keywords were used in multiple combinations to create the search string for studies’ titles and abstracts. Official websites of respective governments and international organizations were also searched in English and non-English languages (using countries national languages) to identify the current state of cannabis use, policies, and research in each of those countries. Results The main findings were inconsistent and heterogeneous reporting of cannabis use, variation in policies (e.g., legalization), and variation in intervention strategies across the countries reviewed. European countries dominate the cannabis research output indexed on PubMed, in contrast to Asian countries (Thailand, Malaysia, India, Iran, and Nepal). Conclusions Although global cannabis regulation is ongoing, the existing heterogeneities across countries in terms of policies and epidemiology can increase the burden of cannabis use disorders disproportionately and unpredictably. There is an urgent need to develop global strategies to address these cross-country barriers to improve early detection, prevention, and interventions for cannabis use and related disorders.

Bibliographic Details

Main Authors:	Ransing,Ramdas, de la Rosa,Pedro A, Pereira-Sanchez,Victor, Handuleh,Jibril I. M., Jerotic,Stefan, Gupta,Anoop Krishna, Karaliuniene,Ruta, de Filippis,Renato, Peyron,Eric, Sönmez Güngör,Ekin, Boujraf,Said, Yee,Anne, Vahdani,Bita, Shoib,Sheikh, Stowe,MJ, Jaguga,Florence, Dannatt,Lisa, da Silva,Alexandre Kieslich, Grandinetti,Paolo, Jatchavala,Chonnakarn
Format:	Digital revista
Language:	English
Published:	Associação de Psiquiatria do Rio Grande do Sul 2022
Online Access:	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2237-60892022000200301
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