Are There Prenatal Tests For Parkinson's Disease?

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Symptoms


Tremors

Parkinson's disease (PD) symptoms often start with tremor, which may occur in the following ways:

  • Tremors may be only occasional at first, starting in one finger and spreading over time to involve the whole arm. The tremor is often rhythmic, 4 - 5 cycles per second, and frequently causes an action of the thumb and fingers known as pill rolling.
  • Tremors can occur when the limb is at rest or when it is held up in a stiff unsupported position. They usually disappear briefly during...
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