Thomas Grüter and Kalliopi Pitarokoili (IMAGE) Ruhr-University Bochum Caption Thomas Grüter and Kalliopi Pitarokoili (right) from the study team at St. Josef Hospital. © RUB, Marquard Credit © RUB, Marquard Usage Restrictions The image may only be used in the context of the press release "Propionic acid protects nerve cells and helps them regenerate" published by RUB on 24. January 2023. License Original 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.