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Researchers from a Chicago University have developed an early diagnosis tool for Alzheimer's. Traditionally, Alzheimer's is not diagnosed until the later stages when brain damage has already occurred. Researchers believe that high levels of a protein (ADDL) in the cerebrospinal fluid are the first biomarker for the disease. Bionanotechnology is involved in the highly sensitive test. Because of the difficulty in obtaining cerebrospinal fluid, researchers are now trying to determine a way toe test the blood or urine for the protein. Researchers are still unsure as to whether this protein is a marker for Alzheimer's only or for other types of dementia as well. Early diagnosis allows for better treatment of the condition.
Source: summary of medical news story as reported by BBC News
About: Early Alzheimer's test being developed
Date: 1 February 2005
Source: BBC News
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