Acute effects of a single, oral dose of d9-tetrahydrocannabinol and cannabidiol administration in healthy volunteers: 600 mg CBD "There were no differences between CBD and placebo on any symptomatic, physiological variable" (vs in mental,physical sedation on 10 mg THC) User shallah, in the CBD: The Medical Marijuana and Hemp Cannabinoid Community subreddit, 01 Feb 2014
Acute effects of a single, oral dose of d9-tetrahydrocannabinol (THC) and cannabidiol (CBD) administration in healthy volunteers: "Oral THC 10 mg or CBD 600 mg or placebo"... "CBD has proven to be safe and well tolerated" User shallah, in the Cannabidiol: CBD - a non-psychoactive consituent of Cannabis subreddit, 02 Mar 2013