This can affect your speech and cause changes in your voice, or dysphonia ... of your mouth are too weak to seal off the nasal passages properly. Myasthenia gravis (MG) is an autoimmune condition ...

According to the Myasthenia Gravis Foundation of America (MGFA), 1 in 10 people with MG experience slurred speech and 2 in 100 people develop a voice disorder. Learn more about the benefits of ...