... stooped posture, constipation, dementia, and problems with speech, breathing, swallowing, and sexual function (www.pdf.org, 1999). The actual cause of PD in not known. As stated by Parkinson's Disease Foundation, (1999), "Although a defective gene was recently found in a few families with extraordinarily high incidences of PD, most researchers believe that in the vast majority of cases, genetic factors alone are ... brain deterioration in people with PD. Though the long term value of this treatment has not been demonstrated, scientists at Frenchay Hospital in Bristol think that it may fo...

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... to adopt because most patients who have suspected Alzheimer's are given conventional MRI scans. But Potter says the problem with a scan is that it usually detects brain impairment in a later stage of the condition (Beardsley 12). At a company in San Francisco called Athena Neurosciences, employees are working on another idea for testing which is based on the biochemistry of Alzheimer's. They ... explained, "Otherwise, there isn't enough brain left for the drugs to work" (Gorman 89). Now some at home tests may soon be available to families and caretakers. The Alzheimer's Research Foundat...

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