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Parkinson's disease is a movement disorder that mainly affects people after 50 years of age, but can present as juvenile Parkinson's that affects people before their 40's of which Michael J. Fox suffers from. Components in the brain involved with regulating movement are faulty due to a lack of neurotransmitter called dopamine. Deregulation of movement presents as a resting tremor, rigidity of arm movement, a shuffling gait and loss of facial expression. The disease is influenced by genes, age, and environment. Medications to replace the dopamine or prevent its early destruction have been successful in preventing disability and surgery can also be offered to some sufferers.
Source: summary of medical news story as reported by About
About: Parkinson's disease
Author: Mary Krugler
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