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'''Parkinson's Disease''' | '''Parkinson's Disease''' | ||
Parkinson’s is a chronic, progressive neurodegenerative movement disorder. Tremors, slow speed, poor balnce, and difficulty in walking can all result from Parkinson’s. Parkinson’s results from the breaking down of the nuclei of dopamine- producing nerve cells in the brain. Dopamine is a neurotransmitter that stimulates motor neurons, which control muscles. When dopamine is low, the motor system nerves are difficult to control. Parkinson’s disease patients have lost 80% or more of their dopamine-producing cells by the time they can notice symptoms. <ref name=HC>[http://www.healthcommunities.com/parkinsons-disease/overview-of-parkinsons.shtml Parkinson’s Disease Overview] Health communities, remedy health media, 5/20/11 date of access.</ref> | |||
== Drug Abuse == | == Drug Abuse == |
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