Multiple sclerosis is a nervous system disease that affects more than 2 million people. It is both an inflammatory and degenerative disease, which causes many symptoms that impact the lives of affected individuals. In addition, the treatments available to relieve the pain such as anti-inflammatory drugs, muscle relaxants, analgesics, etc. often have side effects. This is one of the reasons why some people turn to other treatments such as the use of cannabis and its derivatives like CBD. How effective is CBD against multiple sclerosis?