Schizophrenia. Research on the use of cannabidiol for psychotic symptoms in people with schizophrenia is conflicting. Some early research suggests that taking cannabidiol four times daily for 4 weeks improves psychotic symptoms and might be as effective as the antipsychotic medication amisulpride. However, other early research suggests that taking cannabidiol for 14 days is not beneficial. The conflicting results might be related to the cannabidiol dose used and duration of treatment.
This creates myriad, interrelated effects — from mood regulation to immune support and pain regulation. Scientists have a ways to go before they fully understand the impact of CBD on anxiety, but research suggests that CBD increases the levels of the neurotransmitters serotonin and glutamate. These neurotransmitters have long been studied as major players in the regulation of anxiety.