Degenerative nerve diseases affect many of your bodys activities, such as balance, movement, talking, breathing, and heart function. Many of these diseases are genetic. Sometimes the cause is a medical condition such as alcoholism, a tumor, or a stroke. Other causes may include toxins, chemicals, and viruses. Sometimes the cause is not known. Degenerative nerve diseases include - Alzheimers disease - Amyotrophic lateral sclerosis - Friedreichs ataxia - Huntingtons disease - Lewy body disease - Parkinsons disease - Spinal muscular atrophy Degenerative nerve diseases can be serious or life-threatening. It depends on the type. Most of them have no cure. Treatments may help improve symptoms, relieve pain, and increase mobility. 
What is (are) Degenerative Nerve Diseases ?