In this updating review of research on cannabis particular attention has been paid to the increasing number of studies of the disposition of the components of cannabis in man, as well as possible effects on health. Specific binding sites for cannaboids have not been demonstrated. Approximately 80 metabolites of tetrahydrocannabiol (THC) have been discovered, of which 11-OH-THC is the main...
Oral doses of delta-9-tetrahydrocannabinol (THC) 20 mg, combined with placebo or with 40 mg dses of cannabinol (CBN) and cannabidiol (CBD), were given to volunteers. The combination of THC with CBN produced no detectable changes in the quality, intensity, or duration of the effects of THC alone. The THC-CBD combination tended to delay onset and prolong effects of THC, while making them somewhat...