Parkinson's is described as a progressive idiopathic neurodegenerative disorder, a brain disease that will worsen with time for which no cause has as yet been identified. (David Perlmutter)

Parkinson's is described as a progressive idiopathic neurodegenerative disorder, a brain disease that will worsen with time for which no cause has as yet been identified.

David Perlmutter

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brain cause disease disorder progressive time yet parkinson's

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