Bugs for Thought (IMAGE) Champalimaud Centre for the Unknown Caption Bacteria talk to the brain to influence what it should choose to eat. Credit Illustration by Gil Costa, with elements from Servier Medical Art Usage Restrictions The image may only be used with appropriate credit. License Licensed 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.