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A growing body of research links marijuana use among some young adults to mental health issues such as schizophrenia, bipolar disorder and depression.
Ziva Cooper, [13]: 1 a cannabis researcher at UCLA who was involved in conducting a study heavily referenced by Berenson, disputed Berenson's determination that the study "declared the issue [that cannabis causes violence and psychosis] settled" by tweeting that the study only found a correlation, and not a causation, as Berenson had claimed in ...
The review by Gage et al. also stated "If the association between cannabis and schizophrenia is causal and of the magnitude estimated across studies to date, this would equate to a schizophrenia lifetime risk of approximately 2% in regular cannabis users (though risk for broader psychotic outcomes will be greater).
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.
The lifetime cannabis-use rates for patients with schizophrenia, major depressive disorder or bipolar disorder are 80%, 17% and 24%, respectively, the review found.
According to a new NAS report released on Thursday, Marijuana use may raise the risk of developing schizophrenia and other psychoses. Marijuana use linked to schizophrenia, no cancer threat Skip ...
Schizophrenia is diagnosed 1.4 times more frequently in males than females, and typically appears earlier in men [7] —the peak ages of onset schizophrenia are 20–28 years for males and 26–32 years for females. [10] Early Onset schizophrenia in childhood, before the age of 13 can sometimes occur.
[13] [133] Compounds found in cannabis, such as THC, have been shown to increase the activity of dopamine pathways in the brain, [134] suggesting that cannabis may exacerbate symptoms of psychosis in schizophrenia. Despite increases in cannabis consumption in the 1960s and 1970s in western society, rates of psychotic disorders such as ...