What links cannabis use and psychosis? Researchers point to brain’s dopamine system

A McGill University-led study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with psychosis.

“This could help explain why cannabis use increases the risk of hallucinations and delusions, key symptoms of schizophrenia and other psychotic disorders,” said first author Jessica Ahrens, a PhD student in McGill’s Integrated Program in Neuroscience.

Dopamine is a neurotransmitter that helps regulate mood and motivation, and an excess is…

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News Source: www.sciencedaily.com

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