2 types of the cannabis sativa plant, hemp and marijuana, produce chemical compounds known as cannabinoids. Cannabidiol (CBD) is 1 type of cannabinoid, but it doesn't get you high. THC -- yet another cannabinoid -- is that the psychoactive part of marijuana and does make you high. Many CBD products come out of hemp, which has to have less than 0.3 THC present. You may be surprised to find out that your body creates its own cannabinoids (known as endocannabinoids) and contains cannabinoid receptors, some associated with inflammation and pain. Researchers once believed the CBD in products attached to these receptors, but they suspect CBD helps your body use its own endocannabinoids more efficiently