Fiber and the Colon (image) Cell Press Share Print E-Mail Caption A visualization of the changes to the colon and the gut bacteria after eating a low-fiber, Western-type diet and then subsequently eating a diet supplemented with fiber. Credit Shroeder, et al. Usage Restrictions Credit Required. Share Print E-Mail 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.