Microbiome (IMAGE) Arizona State University Caption The body's vast colonies of bacteria and other non-human cells are collectively known as the microbiome. In the gut, they perform a wide array of critical tasks. Researchers have found that those with autism spectrum disorder have an unusual microbial profile. Adjusting the gut microbiota by supplying healthy bacteria can help with both gastrointestinal and behavioral symptoms of the disease. Credit Public domain Usage Restrictions None 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.