Two studies released today point to new ways to find Alzheimer's disease early before any symptoms show up. The first study at Duke and published in Neurology, found a new radioactive dye can spot brain plaques on a pet scan. Those spots have proven to predict which patients will begin experiencing memory trouble. The second study from Washington University is in the New England Journal of Medicine. By compiling data from families with a genetic risk of the disease, researchers have found a sample of spinal fluid can show which patients will develop the disease about 15 years before symptoms begin.
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