Association of Pre-Onset Cannabis, Alcohol, and Tobacco Use With Age at Onset of Prodrome and Age at Onset of Psychosis in First-Episode Patients
نویسندگان
چکیده
منابع مشابه
Association between age at onset of psychosis and age at onset of cannabis use in non-affective psychosis.
INTRODUCTION Several studies have associated cannabis use with the development of schizophrenia. However, it has been difficult to disentangle the effects of cannabis from that of other illicit drugs, as previous studies have not evaluated pure cannabis users. To test whether the onset of cannabis use had an effect on the initiation of psychosis, we examined the time relationship between onset ...
متن کاملThe Impact of Pre-onset Cannabis Use on Age at Onset of Prodromal and Psychotic Symptoms
Schizophrenia is currently conceptualized as an illness that is caused by both genetic predispositions and exposure to stressors or environmental factors, particularly during early childhood and adolescence. This article focuses on one such environmental factor, cannabis use, especially use occurring prior to the onset of clinically evident psychiatric symptoms. Cannabis is commonly abused by a...
متن کاملThe Effect of Cannabis Use and Cognitive Reserve on Age at Onset and Psychosis Outcomes in First-Episode Schizophrenia
OBJECTIVE Cannabis use is associated with a younger age at onset of psychosis, an indicator of poor prognosis, but better cognitive function, a positive prognostic indicator. We aimed to clarify the role of age at onset and cognition on outcomes in cannabis users with first-episode schizophrenia as well as the effect of cannabis dose and cessation of use. METHODS Ninety-nine patients without ...
متن کاملCannabis use and age at onset of symptoms in subjects at clinical high risk for psychosis.
OBJECTIVE Numerous studies have found a robust association between cannabis use and the onset of psychosis. Nevertheless, the relationship between cannabis use and the onset of early (or, in retrospect, prodromal) symptoms of psychosis remains unclear. The study focused on investigating the relationship between cannabis use and early and high-risk symptoms in subjects at clinical high risk for ...
متن کاملBirth weight and obstetric complications determine age at onset in first episode of psychosis.
BACKGROUND Earlier age at onset of psychosis (AOP) has been associated with poor social adjustment and clinical outcome. Genetic and environmental factors such as obstetric complications, parental history of psychosis, advanced paternal age at time of birth, low birth weight and gestational age, and use of drugs have been described as bringing AOP forward. This study aims to evaluate the relati...
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ژورنال
عنوان ژورنال: American Journal of Psychiatry
سال: 2009
ISSN: 0002-953X,1535-7228
DOI: 10.1176/appi.ajp.2009.09030311