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Schizophrenia Cases Triple Since Cannabis Legalization in Canada

2/5/2025

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Summary

Story summary

A Canadian study uncovers a troubling trend: since cannabis legalization in 2015, new schizophrenia cases tied to cannabis use disorder have surged threefold. Analyzing data from over 13.5 million residents, researchers found that 10% of cannabis users are now developing schizophrenia. This alarming rise underscores the urgent need for targeted prevention efforts, particularly among young males.

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Story summary

A Canadian study uncovers a troubling trend: since cannabis legalization in 2015, new schizophrenia cases tied to cannabis use disorder have surged threefold. Analyzing data from over 13.5 million residents, researchers found that 10% of cannabis users are now developing schizophrenia. This alarming rise underscores the urgent need for targeted prevention efforts, particularly among young males.