“…Intriguingly, as shown in Figure 2 , both positive and negative changes in their effects may occur under the same pathological condition (described in detail previously by [ 6 , 9 , 11 , 12 , 13 , 14 ]). Thus, CB 1 R activation may have beneficial effects against loss of appetite and body weight, nausea, spasticity in multiple sclerosis, pain (especially peripherally-restricted CB 1 R agonists), anxiety- and depressive-like behavior, posttraumatic stress disorder, neuroprotection, and epilepsy [ 9 , 15 , 16 , 17 , 18 ] or may lead to vasodilatation in arteries of hypertensive animals [ 19 , 20 ]. THC itself (international non-proprietary name, dronabinol), its synthetic analog nabilone, and the mixture of THC and cannabidiol (nabiximols) are approved by the US Food and Drug Administration and other national or supranational drug agencies for some of the above indications ( Table 1 [ 21 ]).…”