cannabidiol. It is the second most prevalent of the active ingredients of cannabis (marijuana). While CBD is an essential component of medical marijuana
, it is derived directly from the hemp plant, which is a cousin of the marijuana plant. Cannabidiol has effects on the brain. The exact cause for these effects is not clear. However, cannabidiol seems to prevent the breakdown of a chemical in the brain that affects pain, mood, and mental function. Preventing the breakdown of this chemical and increasing its levels in the blood seems to reduce psychotic symptoms associated with conditions such as schizophrenia. Cannabidiol might also block some of the psychoactive effects of delta-9-tetrahydrocannabinol (THC). Also, cannabidiol seems to reduce pain and anxiety.
Cannabidiol is most commonly used for seizure
). It is also used for anxiety
, pain, a muscle disorder called dystonia
, Parkinson disease, Crohn disease, and many other conditions, but there is no good scientific evidence to support these uses.