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.
Autonomic nervous system disorder. Also known as Autonomic Disease. Your autonomic nervous system is the part of your nervous system that controls involuntary actions, such as the beating of your heart and the widening or narrowing of your blood vessels.When something goes wrong in this system, it can cause serious problems, including. 1  Blood pressure problems.2  Heart problems.our autonomic nervous system is the part of your nervous system that controls involuntary actions, such as the beating of your heart and the widening or narrowing of your blood vessels. When something goes wrong in this system, it can cause serious problems, including. 1  Blood pressure problems. 2  Heart problems.