Gut Bacteria -- Puppet Masters? (image) University of California - San Francisco Share Print E-Mail Caption This image illustrates the relationship between gut bacteria and unhealthy eating. Credit Courtesy of UC San Francisco Usage Restrictions None 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.