| http://www.w3.org/ns/prov#value | - A leading theory is that amyloid plaques kick off the disease but tangles of a second protein, named tau, speed up the brain destruction.As scientists shift their attention to the still healthy, a few studies are under way to try blocking Alzheimer???s in people genetically at risk to get a form of the disease that runs in their families.The A4 study widens the focus beyond a genetic link.Like Bri
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