Nervous system is made up of brain, spinal cord, nerves and neurons. It’s divided into Central and Peripheral Nervous System (CNS and PNS). Find & share information about vascular disorders (stroke, transient ischemic attack (TIA), subarachnoid hemorrhage, subdural hemorrhage and hematoma, and extradural hemorrhage), infections (meningitis, encephalitis, polio, and epidural abscess), functional disorders ( headache, epilepsy, dizziness, and neuralgia), structural disorders (Bell's palsy, cervical spondylosis, carpal tunnel syndrome, brain or spinal cord tumors, peripheral neuropathy, and Guillain-Barre syndrome) and degeneration (Parkinson's disease, multiple sclerosis, amyotrophic lateral sclerosis (ALS), Huntington's chorea, and Alzheimer's disease).