Multiple sclerosis (MS) is a rare disorder where the body's immune system mistakenly attacks the protective covering of nerves in the brain and spinal cord. This damage disrupts communication between ...

Multiple sclerosis is a chronic disease where your immune system starts attacking your brain and spinal cord. The number of people living with the condition has grown to 913,925—current estimates ...

Multiple myeloma is an uncommon cancer affecting plasma cells in the bone marrow. Tumors in the bones and other organs can cause the cells to grow out of control. A complication of this cancer is ...