Cannabis-induced attenuated psychotic symptoms: implications for prognosis in young people at ultra-high risk for psychosis
MJ McHugh, PD McGorry, AR Yung, A Lin, SJ Wood, JA Hartmann, B Nelson
PSYCHOLOGICAL MEDICINE | CAMBRIDGE UNIV PRESS | Published : 2017
BACKGROUND: Cannabis use shows a robust dose-dependent relationship with psychosis risk among the general population. Despite this, it has been difficult to link cannabis use with risk for transitioning to a psychotic disorder among individuals at ultra-high risk (UHR) for psychosis. The present study examined UHR transition risk as a function of cannabis use characteristics which vary substantially between individuals including age of first use, cannabis abuse severity and a history of cannabis-induced attenuated psychotic symptoms (APS). METHOD: Participants were 190 UHR individuals (76 males) recruited at entry to treatment between 2000 and 2006. They completed a comprehensive baseline as..View full abstract
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Awarded by National Health and Medical Research Council (NHMRC) Program
Awarded by NHMRC
This work was supported by the Colonial Foundation Philanthropic Trust and by National Health and Medical Research Council (NHMRC) Program grants (no. 566529 and no. 350241). A. L. is funded by an NHMRC Early Career Fellowship (no. 1072593).