Daily use of high-potency cannabis is associated with more positive symptoms in first-episode psychosis patients: the EU-GEI case-control study

D. Quattrone*, L. Ferraro, G. Tripoli, C. La Cascia, H. Quigley, A. Quattrone*, H.E. Jongsma, S. Del Peschio, G. Gatto, C. Gayer-Anderson, P.B. Jones, J.B. Kirkbride, D. La Barbera, I. Tarricone, D. Berardi, S. Tosato, A. Lasalvia, A. Szoke, C. Arango, M. BernardoJ. Bobes, C.M. Del Ben, P.R. Menezes, P.M. Llorca, J.L. Santos, J. Sanjuan, A. Tortelli, E. Velthorst, L. de Haan, B.P.F. Rutten, M.T. Lynskey, T.P. Freeman, P.C. Sham, A.G. Cardno, E. Vassos, J. van Os, C. Morgan, U. Reininghaus, C.M. Lewis, R.M. Murray, M. Di Forti, EU-GEI group

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Web of Science)
Original languageEnglish
Article number0033291720000082
Pages (from-to)1329-1337
Number of pages9
JournalPsychological Medicine
Volume51
Issue number8
DOIs
Publication statusPublished - 1 Jun 2021

Keywords

  • Cannabis use
  • cannabis-associated psychosis
  • psychopathology
  • psychotic experiences
  • symptom dimensions
  • first episode psychosis
  • SUBSTANCE USE
  • SCHIZOPHRENIA
  • ONSET
  • IMPACT
  • METAANALYSIS
  • DISORDERS
  • ABUSE
  • OUTCOMES
  • HEALTH
  • RISK

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