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U.S. launches major Alzheimer's study

Five-year study will watch changes in brains of 800
Wednesday, October 13, 2004 Posted: 5:05 PM EDT (2105 GMT)

WASHINGTON (AP) -- About 800 older Americans will be asked to lend their brains to science this spring, part of a major government study to track early Alzheimer's disease.

Researchers will use brain-scanning MRIs and other tests to track people who have either early stage Alzheimer's or a milder type of memory loss known as "mild cognitive impairment." Over several years, they'll compare biological changes deep within those patients' brains to the aging that takes place in the brains of cognitively healthy seniors.

Article from CNN.com

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