A nervous system disorder characterized by loss of memory, m…

A nervous system disorder characterized by loss of memory, mood changes, and other mental disturbance.  The real cause of the disease remains a mystery, but it is not believed to be caused by conventional infectious agents such as bacteria and viruses.  It gradually causes the loss of mental faculties over many years, as well as the possible total loss of all motor and intellectual abilities.  What is this disease?

A chronic, degenerative disease affecting the nervous system…

A chronic, degenerative disease affecting the nervous system that generally affects young adults from about 20-40 years of age, and is generally characterized by a destruction of the myelin sheaths, or outer coverings around nerve fibers that case motor and sensory nerve impulses, muscular weakness and incoordination, tremors, paralysis, vision problems, and abnormal, rapid eyeball movements is known as