Cannabis sativa type of plant produces a substance known as cannabidiol (CBD) or sometimes called cannabis. Apart from that, there are several chemicals too found on this cannabis Sativa plant. But CBD as an essential component is extracted from the hemp plant, while we know that hemp plants only contain a minimal amount of tetrahydrocannabinol. And it has been reported that CBD has some impacts on some of the brain chemicals. This is why there are prescriptions made as to the best CBD for Headaches, and also protect the nerve system, even though its research is still going on, we can be sure of one thing, supplements with CBD oil are sure to relieve you from pain.