Cannabidiol (CBD) a substance in marijuana has antipsychotic effects in humans

Cannabis

Summary:Cannabidiol (CBD) a substance in marijuana which has antipsychotic effects in humans, (patients took 600 mg CBD)from  JAMA psychiatry

A little more: The cannabinoid receptor 1 (CB1) is present all over the brain and influences the function of neurotransmitters including dopamine and glutamate. (Neurotransmitters are chemical messengers sending information between nerve cells.  Each neurotransmitter has a different function.Dopamine has effects on physical and cognitive functions, including movement, motivation, memory, feelings of reward and pleasure. Glutamate is a neurotramsmitter involved with learning and memory) The component of cannabis responsible for its short-term psych effects is Δ9-tetrahydrocannabinol (THC). Cannabidiol (CBD), has opposite neural and behavioral effects. Clinical studies indicate that CBD has antipsychotic and anti anxiety properties in patients with mental disorders.