Alzheimer's Plaque (IMAGE) Sanford Burnham Prebys Caption This shows beta-amyloid plaques (red) in the brain of an Alzheimer's disease patient. Credit Sanford-Burnham Medical Research Institute Usage Restrictions Free to use in conjunction with this story only, using provided caption and credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.