Multiple Sclerosis is a demyelinating disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged.This damage disrupts the ability of parts of the nervous system to communicate, resulting in a range of signs and symptoms, including physical, mental, and sometimes psychiatric problems.In this "The Doc Is In' segment we meet "David", a firefighter whose life was changed after he was diagnosed with MS. "The Doc Is In" is produced by Go Media Kentucky.