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The Association between Recreational Cannabis Commercialization and Cannabis Exposures Reported to the US National Poison Data System.

Addiction. 2020 Feb 20;:

Authors: Shi Y, Liang D

Abstract
BACKGROUND AND AIMS: Recreational cannabis has been legalized in 11 states and DC in the US. Among them, 10 states further permitted retail sale to provide a legal supply to adults. This study examined the associations of cannabis exposures with recreational cannabis legalization and commercialization.
DESIGN: Secondary data analysis of state-quarter level cannabis exposures during 2010-2017 in the US. Linear regressions with difference-in-difference design were used to compare pre- and post-legalization trends in states that legalized recreational cannabis to contemporaneous trends in states that did not legalize recreational cannabis.
SETTING: United States, including all 50 states and DC.
CASES: Cannabis exposures reported to the US National Poison Data System.
MEASUREMENTS: The primary outcome was state age-adjusted cannabis exposures reported to the US National Poison Data System per 1,000,000 population per quarter. The two policy variables of interest included 1) the enactment of recreational cannabis legalization (i.e., removing penalties for adults’ possession of cannabis in a small amount for recreational use), and 2) the initiation of recreational cannabis commercialization (i.e., providing a legal supply of cannabis to adults through licensed dispensaries).
FINDINGS: The association between a state’s enactment of recreational cannabis legalization and its changes in cannabis exposures was overall statistically nonsignificant. After controlling for recreational cannabis legalization, however, the initiation of recreational cannabis commercialization was associated with 5.06-5.80 more exposures per 1,000,000 population per quarter (67-77% increase relative to the pre-legalization average) depending on the composition of comparison states. The increase associated with commercialization was higher among minors than adults (7.97-9.53 vs. 3.83-4.21 more exposures), higher among males than females (6.16-7.56 vs. 3.76-3.91 more exposures), and higher among exposures with medical consequences than those without medical consequences (4.09-4.79 vs. 0.97-1.01 more exposures).
CONCLUSION: An increase in cannabis exposures reported to the US National Poison Data System was observed following recreational cannabis commercialization in the US.

PMID: 32080937 [PubMed – as supplied by publisher]


Source: ncbi 2

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Categories: Medical

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