Genetic Conditions Rare Conditions - Lay advocacy and support groups, information on genetic conditions birth defects for professionals, educators, and individuals. CIDP Organization of USA - A non profit support group for Chronic Inflammatory Demyelinating Polyradiculoneuropathy in USA. Christians with Chronic Invisible Illnesses - Access to several Christian groups for people with invisible illnesses such as chronic fatigue (CFS), fibromyalgia (FM) and multiple chemical sensitivities (MCS). Polio Echo, Inc - Support group for people with Post-Polio Syndrome in the Phoenix, AZ area. There is information on the local chapters and their activities and speakers as well as updated articles and events to come. Neurosarcoidosis Support Group - A support group for anyone with neurosarcoidosis, CNS sarcoid, systemic sarcoidosis, or anyone wanting more information on this rare disease. Includes live chats. Parkinsons Disease Caregiver Information - Virtual support group. Essential information for anyone who is caring for someone with Parkinson's disease. Discussion forum and support group information. PatientsLikeMe - Track and share your progress, treatments, and symptoms in a community of patients. Communities for ALS, MS, Parkinson's and HIV/AIDS.