BACKGROUND
Cannabinoid receptors, CB1 and CB2, are part of the endocannabinoid system (ECS), which consists of cannabinoid receptors, endogenous endocannabinoids anandamide (AEA) and 2-arachindonoylglycerol (2-AG) and the hydrolytic enzymes fatty acid amide hydrolase (FAAH) and monoacylglycerol