Dr. Steven Kliewer (IMAGE) UT Southwestern Medical Center Caption Dr. Steven Kliewer, professor of molecular biology and pharmacology, helped investigate a specific hormone that enables starving mice to alter their metabolism and Credit UT Southwestern Medical Center 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.