News Analysis - In Push to Detect Early Alzheimer’s Markers, Hopes for Prevention

News Analysis - In Push to Detect Early Alzheimer’s Markers, Hopes for Prevention - NYTimes.com: Will Alzheimer’s disease, a terrible degenerative brain disease with no treatments and no clear guidelines for diagnosis before its end stages, become like heart disease? That might mean early markers of risk, analogous to high cholesterol levels, that predict who is likely to get it. And it might mean drugs that actually prevent it. That is the hope behind new diagnostic guidelines being proposed by the National Institute on Aging and the Alzheimer’s Association.