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What are some common nerve diseases?

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The most common, serious nervous system disorders include multiple sclerosis, Alzheimer’s disease, Parkinson’s disease and epilepsy. Strokes cause another common set of disorders, which can affect memory and ability to perform daily activities, WebMD explains.

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The nervous system comprises the central nervous system, which is made up of the brain and spinal cord; the peripheral nervous system, comprising all the nerve fibers throughout the body; and the sense organs and sense receptors, notes John Hopkins Medicine. Disorders can strike any of the system's parts. Stroke or other brain trauma can affect all parts of the nervous system, causing neural dysfunction.

There are approximately, so far discovered, 100 peripheral nerve disorders. Some, such as diabetic nerve disorders, are caused by bodily diseases, whereas others, such as Guillain Barre Syndrome, are caused by viruses. Nerve degeneration causes disorders such as carpal tunnel syndrome or complex regional pain syndrome, the U.S. National Library of Medicine reports.

Birth defects or degenerative diseases can cause other common nerve disorders. Structural defects may cause blood flow disruptions, and autoimmune disorders commonly target nerve tissues. Degenerative disorders include Parkinson's disease, multiple sclerosis and Alzheimer's disease. Functional and structural disorders include migraine headaches, epilepsy, chronic dizziness, Bell's palsy and neuralgia. Disorders caused by infections include meningitis, polio, epidural abscess and encephalitis, says John Hopkins Medicine.

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