This article is very useful to understand the treatment of psychosis. It also has a table describing different substances having Yin and Yang effects on the body. Yang: Alcohol, Tobacco, cannabis, cocaine, caffeine, amphetamines (cathinone, speed), Ritalin, MDMA (a mild psychedelic stimulant), LSD (psychedelic, hallucinogenic stimulant). Yin: Heroin, opium, morphine, cannabis, sleeping pills, pain relief medication, mild anxiolytics – clonazepam. The cannabis plant includes many species with the effects varying from stimulating and hallucinogenic to plants that have a calming effect.
—Jinnan C 8 Sep 2021