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Det har inte blivit fler som behöver psykosvård i de amerikanska delstater som har legaliserat cannabis, jämfört med dem som inte har det. Det är resultatet i en stor amerikansk studie som just har publicerats.
Nykterhetslobbyisternas oro att legalisering skulle leda till fler psykoser stämmer alltså inte.
Författarna till studien sammanfattar resultaten så här:
Key Points
Question: Is state cannabis legalization or commercialization associated with increased rates of psychosis-related health care claims?
Findings: In this cohort study of claims data from 63 680 589 beneficiaries from 2003 to 2017, there was no statistically significant difference in the rates of psychosis-related diagnoses or prescribed antipsychotics in states with medical or recreational cannabis policies compared with states with no such policy.
Meaning: The findings of this study do not support an association between state policies legalizing cannabis and psychosis-related outcomes; further research into this topic may be informative.
