Action of cannabidiol on the anxiety and other effects produced by delta 9-THC in normal subjects. 22 Nov Dr D Cannabidiol induces rapid-acting antidepressant-like effects and enhances cortical 5-HT/glutamate neurotransmission: role of 5-HT1A receptors. Cannabidiol interferes with the effects of Δ9-tetrahydrocannabinol in man