
Keywords: THC، tetrahydrocannabinol; CB1, cannabinoid 1; cAMP, cyclic adenosine monophosphate; PET, Positron Emission Tomography; THC, tetrahydrocannabinol; DA, dopamine; [11C]PHNO, Carbon-11 labelled (+)-4-Propyl-3,4,4a,5,6,10b-hexahydro-2H-naphtho[1,2-b][1, 4]oxazin-9-ol; HC, Healthy contr