Cannabis: a triggering factor for schizophrenia?
DOI:
https://doi.org/10.5433/1679-0367.2007v28n2p99Keywords:
Cannabis, Marijuana, Excessive use, Schizophrenia, Mental Illness.Abstract
Schizophrenia has a prevalence of 1.1% in general population. It is believed to be a multifactorial disease in which a genetic predisposition may exist, but triggering environmental factors should also exist. Among the triggering environmental factors suggested, it is highlighted the use of some drugs, including cannabis (marijuana). The present report aimed to carry out a bibliographic review of the papers presenting a causal relationship between cannabis abuse and development of schizophrenia. The results showed that there is increasing evidence, both epidemiological and biological, that cannabis abuse may trigger schizophrenia, at least in predisposed individuals.
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