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Parkinson's Disease
What Causes Parkinson's
Disease?
Parkinson's disease occurs when nerve cells, or neurons, in an area
of the brain that controls movement die or become impaired.
Normally, these neurons produce an important brain chemical known
as dopamine, but when the neurons die or become impaired,
they produce less dopamine. This shortage of dopamine causes the
movement problems of people with Parkinson's.
(For more, click below on "Next Page.")
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