The gut-brain axis. (IMAGE) Baylor College of Medicine Caption This protocol gives researchers a road map to understand the complex traffic system between the gut and the brain and its effects in health and disease. Credit From the Labs at Baylor College of Medicine. Usage Restrictions Not for commercial purposes. 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.