"At the moment, we can use this test to confirm diagnosis," graduate student Jennifer Stamps, who led the research, said in a statement. "But we plan to study patients with mild cognitive impairment to see if this test might be used to predict which patients are going to get Alzheimer's disease."
About 5.2 million Americans have Alzheimer's or another form of dementia, according to the Alzheimer's Association, with about 13.8 million cases expected by 2050.
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