Gallstones (AUDIO) Washington University School of Medicine Your browser does not support the audio element. Caption Mice lacking a fatty acid binding protein do not become obese, but they do develop gallstones. Credit Washington University School of medicine 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.