Intestinal Tumors (image) Rockefeller University Press Caption The development of intestinal tumors (polyps) in mice (left) was prevented by modifying the composition of gut microbes (right). Credit Bongers et al., 2014 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.