Cannabidiol, or CBD, is a component of cannabis. You may know this plant by the more familiar term marijuana. CBD is the most-studied compound from this plant for medical purposes. Its success in treating certain symptoms is why CBD oil has been legalized in most states even if medical marijuana is still illegal.
Part of this reason is that CBD doesn’t get you high. But just what does CBD oil do in the brain and body? Let’s break down the science.