Alex Mohr (IMAGE) Arizona State University Caption Alex Mohr, lead author of the new study, is a researcher in the Biodesign Center for Health Through Microbiomes. Credit The Biodesign Institute at Arizona State University Usage Restrictions None 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.