And, where product is the lifeblood of any automotive brand, and where car model changes every four to five years are normal, Saturn vehicles saw only one redesign in their first decade of existence.
1 Multiple sclerosis (MS) is a disease that causes demyelination (disruption of the myelin that insulates and protects nerve cells) of spinal nerve and brain cells. 2  Although the exact case is unknown, multiple sclerosis is considered to be an autoimmune disease.
Multiple sclerosis is a chronic, unpredictable disease of the central nervous system (CNS), which is made up of the brain, spinal cord and optic nerves. It is thought to be an immune-mediated disorder, in which the immune system incorrectly attacks healthy tissue in the CNS.