What causes Parkinson’s disease?

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Parkinson’s disease is a brain disorder that leads to shaking, stiffness, and difficulty with walking, balance, and coordination. The average age of onset is 60, and about half a million people in the United States have the disease.

Find out what causes Parkinson’s disease.

Take a quiz to learn about symptoms and diagnosis for Parkinson’s disease.

The information on Parkinson’s Disease was developed for NIHSeniorHealth by the National Institute of Neurological Disorders and Stroke (NINDS) at NIH.