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.
Some autoimmune diseases include: 1  Lupus is a chronic disease marked by muscle and joint pain and inflammation. 2  Juvenile idiopathic arthritis is a disease in which the body's immune system acts as though certain body parts such as the joints of the knee, hand, and foot are foreign tissue and attacks them.