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Helen L. Fisher

2 papers in the library · 69 citations · publishing 2013-2023

Papers

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Cannabis use as a potential mediator between childhood adversity and first-episode psychosis: results from the EU-GEI case–control study

Psychological Medicine May 4, 2023 Giulia Trotta, Victoria Rodriguez, Diego Quattrone et al.

Abstract Background Childhood adversity and cannabis use are considered independent risk factors for psychosis, but whether different patterns of cannabis use may be acting as mediator between adversity and psychotic disorders has not yet been explored. The aim of this study is to examine whether cannabis use mediates the relationship between childhood adversity and psychosis. Methods Data were...

Cannabis use and first-episode psychosis: relationship with manic and psychotic symptoms, and with age at presentation

Psychological Medicine May 24, 2013 James Stone, Helen L. Fisher, Barnaby Major et al. 69 citations

BACKGROUND: Cannabis use has been reported to be associated with an earlier onset of symptoms in patients with first-episode psychosis, and a worse outcome in those who continue to take cannabis. In general, studies have concentrated on symptoms of psychosis rather than mania. In this study, using a longitudinal design in a large naturalistic cohort of patients with first-episode psychosis, we...