In order to understand how cannabis is capable of treating such a wide variety of ailments, it is necessary to understand what the endocannabinoid system is, and how it functions. The endogenous cannabinoid system is comprised of two receptors (CB1 & CB2) that are located throughout the body and are responsible for maintaining a constant state of homeostasis. The body sustains this balanced state by producing its own cannabinoids (known as endocannabinoids) that activate or block these receptors to produce specific therapeutic effects. Cannabis is the only existing plant that contains an abundance of naturally occurring cannabinoids. These cannabinoids (known as phytocannabinoids) mimic endocannabinoids and unlock the medicinal properties of CB1 and CB2 receptors throughout the human body.