Multiple Sclerosis is a disease in which the immune system eats away at the protective sheath covering the nerves, interfering with the communication between the brain and the body. This book explains who gets the disorder and why, and how it affects the body. Diagnosis and current treatment options are discussed, as well as living with the disease. With full-color photographs and illustrations, this book offers the latest statistics along with information on new treatments, drugs, and future research.