Cannabis use and psychosis: a review of clinical and epidemiological evidence.

  title={Cannabis use and psychosis: a review of clinical and epidemiological evidence.},
  author={Wayne D Hall and Louisa Degenhardt},
  journal={The Australian and New Zealand journal of psychiatry},
  volume={34 1},
OBJECTIVE This paper evaluates evidence for two hypotheses about the relationship between cannabis use and psychosis: (i) that heavy cannabis use causes a 'cannabis psychosis', i.e. a psychotic disorder that would not have occurred in the absence of cannabis use and which can be recognised by its pattern of symptoms and their relationship to cannabis use; and (ii) that cannabis use may precipitate schizophrenia, or exacerbate its symptoms. METHOD Literature relevant to drug use and… CONTINUE READING
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