Learn about Creutzfeldt-Jakob disease (CJD) causes, and read about symptoms, such as progressive dementia, insomnia, depression, and unusual sensations.

Multiple sclerosis (MS) is an autoimmune disease that attacks nerve tissue in the brain and spinal cord. Learn the causes, medications, early signs, and symptoms. If you have received an MS diagnosis, treatment focuses on controlling symptoms.

Read about post-polio syndrome (PPS) symptoms like weakness, fatigue, muscle atrophy, joint pain, scoliosis, and more. Treatment information is included.

Schizophrenia is a mental or brain disorder that causes one to suffer symptoms such as delusions, hallucinations, and disorganized speech and behavior. Read about treatment of schizophrenics, types, and testing.