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Central nervous system diseases refer to a group of diseases caused by chronic progressive degeneration of central nervous system tissues. Pathologically, neuronal degeneration and loss can occur in the brain and/or spinal cord. The main diseases include Parkinson's disease, Alzheimer's disease, Huntington's disease and amyotrophic lateral sclerosis.
With the changing global population structure and increasing aging, Central nervous system diseases have become a major health and social issue faced by countries.
