Jonathan Schertzer, McMaster University (IMAGE) McMaster University Caption Jonathan Schertzer, is an assistant professor of biochemistry and biomedical sciences at McMaster University and senior author of the paper published by Cell Metabolism today. His research team found a 'post-biotic' that lowers blood glucose during obesity. Credit McMaster University 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.