Keats
PARKINSON'S DISEASE
Parkinson's disease (PD) is a progressive, neurological disease first described in 1817 by James Parkinson. The pathology is not completely understood, but there appears to be consistent changes in the melanin-containing nerve cells in the brainstem, where there are varying degrees of nerve cell loss with reactive gliosis along with eosinophilic intracytoplasmic inclusions. Biochemical studies have shown below normal levels of dopamine in the caudate nucleus and putamen (Diccionario de Ciencias Medicas). It belongs to a group of conditions called motor system disorders, which are the result of the loss of dopamine-producing brain cells.
HOW MANY PEOPLE ARE AFFECTED?
In the United States, at least 500,000 people are believed to suffer from Parkinson's disease, and about 50,000 new cases are reported annually. These figures are expected to increase as the average age of the population increases. The disorder appears to be slightly more common in men than women.......
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