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Cannabis commercialisation not decriminalisation drives up usage, study finds
Review reveals rise in users and rates of psychosis in countries where cannabis is sold commercially Decriminalising the possession of cannabis or strictly regulating access to the drug do not appear to drive up usage, but when the drug is sold commercially ...
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Review reveals rise in users and rates of psychosis in countries where cannabis is sold commercially Decriminalising the possession of cannabis or strictly regulating access to the drug do not appear to drive up usage, but when the drug is sold commercially ...
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What happened
According to The Guardian’s source item, Cannabis commercialisation not decriminalisation drives up usage, study finds, Review reveals rise in users and rates of psychosis in countries where cannabis is sold commercially Decriminalising the possession of cannabis or strictly regulating access to the drug do not appear to drive up usage, but when the drug is sold commercially the number of users increases and more mental health problems are seen, a review has found. An international team analysed the dramatic shift in policies on cannabis between 2000 and 2025, including how the numbers of people taking the drug, its potency, and rates of psychosis changed after new rules came in. Continue reading…
Context
The development sits in VINI’s Global file for readers following international affairs, institutions, conflict, diplomacy, economics, and cross-border consequences. The original report is linked so readers can check the source account, follow later updates, and compare new coverage against the first published record. The source item is dated 2026-06-17T22:30:46+00:00.
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Source
Primary source: Cannabis commercialisation not decriminalisation drives up usage, study finds via The Guardian. VINI cites and links the source; it does not reproduce the publisher’s full article text without rights clearance.
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