Cannabidiol, also known as CBD,'s a cannabinoid found in Cannabis. It's a major constituent of the plant, representing up to 40% in its extracts. CBD alone isn't intoxicating, but displayed sedative effects in animal tests. Some research, however, indicates that CBD can increase alertness. It may decrease the rate of THC clearance from the body, perhaps by interfering with the metabolism of THC in the liver. CBD appears to affect both the CB1 and CB2 receptors- with higher affinity for the CB2… (More on Cannabidiol)