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Conclusions Our study builds on previous investigations assessing predictors of psychotic symptoms induced by cannabis [15, 75, 81, 82], and is the first to have systematically investigated cannabis-associated psychotic symptoms, leading to emergency medical treatment in a large sample of PWUC

It is possible that nicotine exposure, by increasing the release of dopamine, causes psychosis to develop. A number of other drugs can stimulate dopamine production, including amphetamines, cocaine and cannabis

J Psychopharmacol