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.
Systemic lupus erythematosis is an autoimmune disease that attacks body tissues, including the lungs, kidneys, and skin. Many types of auto-antibodies are found in the blood of people with lupus. No one knows exactly what causes autoimmune diseases, but many factors seem to be involved.