what causes devic’s disease

Multiple sclerosis vs. NMO, differences in symptoms, causes, and treatment

Multiple sclerosis and neuromyelitis optica (NMO) are often believed to be the same condition as they share many similarities. Both conditions are autoimmune. In multiple sclerosis, the immune system attacks the myelin, which is the protective coating around nerves. In NMO, the immune system attacks the optic nerve. An early sign of multiple sclerosis is ...click here to read more