The second seat may be purchased for the same fare as the original seat, provided it is purchased at the same time. A customer who does not purchase an extra seat in advance may be required to do so on the day of departure for the fare level available on the day of departure.
Multiple Sclerosis. Multiple Sclerosis (MS) is a diseases of the central nervous system which leads to recurring attacks of neurological symptoms. Learn more about its causes, symptoms, diagnosis and treatment here. Cerebrovascular Disease. Cerebrovascular disease refers to disorders of the blood vessels that supply blood flow to the brain. Here is information about various cerebrovascular diseases including brain aneurysms and stroke.
Print This Page. Autoimmune Disease, in which your immune system attacks and damages parts of your body, including your nerves. Examples include Sjogrenâs syndrome, systemic lupus erythematosus, rheumatoid arthritis and celiac disease. Guillain-Barre syndrome is an autoimmune disease that happens rapidly and can affect autonomic nerves.