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Cannabis is a known risk factor for developing psychosis that can progress to schizophrenia but this is the first time researchers have found brain-level changes in an at-risk population in real time.
Substance-induced psychosis (commonly known as toxic psychosis or drug-induced psychosis) is a form of psychosis that is attributed to substance intoxication, withdrawal or recent consumption of psychoactive drugs. It is a psychosis that results from the effects of various substances, such as medicinal and nonmedicinal substances, legal and ...
A 2019 meta-analysis found that 34% of people with cannabis-induced psychosis transitioned to schizophrenia. This was found to be comparatively higher than hallucinogens (26%) and amphetamines (22%). [46] To screen for cannabis-related problems, several methods are used.
As many as half of people with cannabis-induced psychosis may go on to develop either schizophrenia or bipolar disorder, research suggests. Young adults and teenagers should be especially ...
A scientific review published in JAMA Psychiatry in 2016 found that people who use marijuana are more likely to develop temporary psychosis, as well as long-lasting mental disorders like ...
The temporal relationship between cannabis and psychosis was reviewed in 2014, and the authors proposed that "[b]ecause longitudinal work indicates that cannabis use precedes psychotic symptoms, it seems reasonable to assume a causal relationship" between cannabis and psychosis, but that "more work is needed to address the possibility of gene ...
The new study, like previous research on marijuana and psychosis, does not directly prove that marijuana is causing psychotic disorders. While it’s possible that teens who were prone to develop ...
There is evidence that long-term use of cannabis increases the risk of psychosis, regardless of confounding factors, and particularly for people who have genetic risk factors. [110] A 2019 meta-analysis found that 34% of people with cannabis-induced psychosis transitioned to schizophrenia.