Alzheimer's Biomarkers (IMAGE) Veterans Affairs Research Communications Caption MRI brain scans, as depicted in this photo from the San Francisco VA Healthcare System, are among the more promising biomarker approaches for diagnosing Alzheimer's disease, according to a new VA review study. Credit Roy Kaltschmidt Usage Restrictions None 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.