Getting "The whole picture": A review of international research on the outcomes of regulated cannabis supply
Jazyk angličtina Země Nizozemsko Médium print-electronic
Typ dokumentu časopisecké články, systematický přehled, přehledy
PubMed
40393091
DOI
10.1016/j.drugpo.2025.104796
PII: S0955-3959(25)00095-7
Knihovny.cz E-zdroje
- Klíčová slova
- cannabis legalization, cannabis supply regulation, literature review, policy analysis, quasi-experimental design,
- MeSH
- Cannabis * MeSH
- dospělí MeSH
- kontrola léčiv a omamných látek * zákonodárství a právo MeSH
- kouření marihuany * zákonodárství a právo epidemiologie MeSH
- lidé MeSH
- obchod zákonodárství a právo MeSH
- užívání marihuany * zákonodárství a právo MeSH
- zákonodárství lékové * MeSH
- Check Tag
- dospělí MeSH
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- přehledy MeSH
- systematický přehled MeSH
- Geografické názvy
- Kanada MeSH
- Nizozemsko MeSH
- Spojené státy americké MeSH
- Uruguay MeSH
BACKGROUND: Several jurisdictions have pursued reforms that regulate cannabis production and/or sale for adult (non-medical) use. Looking at outcomes of such reforms across multiple jurisdictions may help to identify outcomes that are inherent to non-criminal cannabis supply, as well as provide insight into the outcomes of specific regulation models. METHODS: We identified nine indicators of cannabis policy outcomes and aggregated them into three domains (social outcomes, outcomes in cannabis use, health-related outcomes). We assessed these outcomes across five jurisdictions with different models of regulating cannabis supply (Netherlands, Spain, U.S. states that legalized cannabis, Uruguay, and Canada). We used a three-level systematic literature review, prioritising studies with quasi-experimental design (i.e. comparative and longitudinal). We categorised the studies according to their design and the type of outcome (increase, decrease, or no outcome). RESULTS: Across long-standing as well as recent cannabis supply regimes, and across different models of cannabis supply, our review identified common outcomes: a decrease in cannabis-related arrests, an increase in adult (but not adolescent) cannabis use, and increase in healthcare utilization (not traffic-related). Negative health-related outcomes were most consistently found for the U.S. states that legalised cannabis for adult non-medicinal use (there were limitations to nuancing cannabis supply models across U.S. states). In the remaining jurisdictions (the Netherlands, Spain, Canada, Uruguay), the design or time-frame of the identified studies was limited, and studies on certain outcomes were lacking. CONCLUSIONS: Regulating cannabis supply may be associated with benefits in the social area and with potential harms regarding public health; there may though be trade-offs depending on the choice of a cannabis regulation model. Jurisdictions may attempt to mix and match the present models of cannabis regulation to achieve the best ratio of benefits and harms. More research into the specific parameters influencing cannabis policy outcomes is needed.
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