THC
Tetrahydrocannabinol , is the chemical responsible for most of the psychological effects it acts much like the chemicals made naturally by the body these receptors are concentrated in certain areas of the brain THC attaches to these receptors which activates them and can effect a person's memory, pleasure, coordination, thinking, concentration, sensory, and time perception.
Cannabis, also known as Ganja among other names is a plant specie from the Cannabis plant used for medical or recreational purposes. The main psychoactive part of cannabis is tetrahydrocannabinol (THC), one of 483 known compounds in the plant, including at least 65 other cannabinoids. Cannabis can be used by smoking, vaporizing, within food, or as an extract.