DNA Mapping of Alzheimer’s Patients Gives Deep Dive View

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Over the past 18 months, 81-year-old Bill Bunnell has visited the doctor a half-dozen times to take memory tests, provide blood samples, and undergo a spinal tap and imaging scans. It’s all part of the most extensive study ever conducted on Alzheimer’s.

Now researchers are about to take an even closer look at Bunnell, a retired engineer from Madison, Connecticut.