Almost 1 million adults in the United States  have multiple sclerosis (MS). This neurological condition causes the body to mistakenly attack cells that act as protective covers to the brain and spinal cord. As a result, MS disrupts signals that the nerves send throughout the body. This autoimmune condition can cause many symptoms, including vision changes, muscle weakness, spasms, stiffness, loss of balance, numbness and pain. These symptoms can come and go in waves, and flar