Exercise prevents fatty liver b (IMAGE) Deutsches Zentrum fuer Diabetesforschung DZD Caption Exercise prevents fatty liver by modifying the compensatory response of mitochondrial metabolism to excess substrate availability. Credit DZD Usage Restrictions no 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.