Bochum researchers (IMAGE) Ruhr-University Bochum Caption Julia Stockmann and Klaus Gerwert from the Bochum Centre for Protein Diagnostics Credit Michael Schwettmann Usage Restrictions The image may only be used for reporting about the press release "A prognostic Alzheimer's disease blood test in the symptom-free stage", published by Ruhr-Universität Bochum in January 2021. 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.