Diabetes News Journal | Studies Confirm Brain Plaque Can Help Predict Alzheimer's New York Times Data from nearly 9,500 people on five continents shows that amyloid can appear 20 to 30 years before symptoms of dementia, that the vast majority of Alzheimer's patients have amyloid and that the ApoE4 gene, known to increase Alzheimer's risk, greatly ... Alzheimer's-Tied Brain Plaque May Precede Symptoms WUStL Scientists Find New Link Between Diabetes And Alzheimer's |