More evidence has emerged linking daily marijuana use and highly-potent pot to psychosis.
European researchers report as many as one-in-five newly-diagnosed cases of psychosis may be linked to daily cannabis use.
Data was gathered from 11 hospitals across Europe.
The study revealed people who used pot on a daily basis were three times more likely to have a first-time diagnoses of psychosis and five times more likely if they used high-potency marijuana every day.
More evidence linking daily marijuana use to psychosis
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