Alzheimer's Early Signs Timeline Developed, Washington University School of Medicine Study
7/12/2012 8:00:52 AM
Scientists have assembled a "timeline" of the unseen progress of Alzheimer's before symptoms appear. A team at Washington University School of Medicine looked at families with a genetic risk of the disease. Writing in the New England Journal of Medicine, they say signs appeared up to 25 years before the expected onset of the disease.