Cannabis use and transition to psychosis in individuals at ultra-high risk: review and meta-analysis.

@article{Kraan2016CannabisUA,
  title={Cannabis use and transition to psychosis in individuals at ultra-high risk: review and meta-analysis.},
  author={T. Kraan and E. Velthorst and L. Koenders and K. Zwaart and H. Ising and D. V. D. van den Berg and L. de Haan and M. van der Gaag},
  journal={Psychological medicine},
  year={2016},
  volume={46 4},
  pages={
          673-81
        }
}
  • T. Kraan, E. Velthorst, +5 authors M. van der Gaag
  • Published 2016
  • Psychology, Medicine
  • Psychological medicine
  • BACKGROUND Previous research has established the relationship between cannabis use and psychotic disorders. Whether cannabis use is related to transition to psychosis in patients at ultra-high risk (UHR) for psychosis remains unclear. The present study aimed to review the existing evidence on the association between cannabis use and transition to psychosis in UHR samples. METHOD A search of PsychInfo, Embase and Medline was conducted from 1996 to August 2015. The search yielded 5559… CONTINUE READING
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