Sweetener (IMAGE) Weizmann Institute of Science Caption Weizmann Institute research shows that artificial sweeteners promote glucose intolerance in a surprising way: by changing the composition and function of the gut microbiota. Credit Weizmann Institute of Science 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.