Research indicates a troubling link between heavy cannabis use and psychosis, particularly in young adults aged 18 to 35. A new study published in JAMA Psychiatry shows that individuals with cannabis use disorder display significant alterations in dopamine activity, resembling patterns associated with psychosis. MRIs revealed increased signals in midbrain regions related to dopamine function, especially among those with severe use. The findings underscore the need for awareness about cannabis risks, especially for those with vulnerabilities to psychosis.
"Using MRIs, researchers found increased dopamine-related signals in the midbrain regions among heavy cannabis users, highlighting their altered brain activity resembling psychosis patterns."
"This increase was most pronounced among people with more severe cannabis use disorder, indicating a dose-related pattern that further complicates the understanding of cannabis effects on young adults' mental health."
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