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Cannabis is associated with relapse of psychosis, study finds

BMJ 2016; 354 doi: https://doi.org/10.1136/bmj.i5315 (Published 30 September 2016) Cite this as: BMJ 2016;354:i5315
  1. Jacqui Wise
  1. London

Continuing to use cannabis after the onset of psychosis is associated with an increased risk of relapse resulting in psychiatric admission, researchers report in JAMA Psychiatry.1

The prospective cohort study included 220 people who presented to psychiatric services in south London from 2002 to 2013 with a first episode of psychosis. The …

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