“Research from King’s College London has found that a single dose of the cannabis extract cannabidiol can help reduce brain function abnormalities seen in people with psychosis.”
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Sagnik Bhattacharyya et al. Dysfunction in People at Clinical High Risk of PsychosisA Randomized Clinical Trial. JAMA Psychiatry, 2018 DOI: 10.1001/jamapsychiatry.2018.2309