Pre-Illness Cannabis Use and the Early Course of Nonaffective Psychotic Disorders: Associations with Premorbid Functioning, the Prodrome, and Mode of Onset of Psychosis
Schizophrenia Research October 30, 2010 Michael T Compton, Beth Broussard, Claire E. Ramsay et al.
Introduction Limited research indicates that pre-illness cannabis use may result in an earlier age at onset of psychosis, though little is known about the influence of prior cannabis use on the premorbid and prodromal phases. This study examined effects of prior or concurrent cannabis (as well as nicotine and alcohol) use on: (1) early adolescent (12–15 years) premorbid functioning, (2) late...