variants:
or less commonly Parkinson disease or Parkinson's or Parkinson's syndrome
Definition of Parkinson's disease
: a chronic progressive neurological disease chiefly of later life that is linked to decreased dopamine production in the substantia nigra and is marked especially by tremor of resting muscles, rigidity, slowness of movement, impaired balance, and a shuffling gait
— called also paralysis agitans
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Time Traveler for Parkinson's disease
The first known use of Parkinson's disease was in 1877
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