Drs. Jeffrey Browning and Shawn Burgess, UT Southwestern Medical Center (image) UT Southwestern Medical Center Share Print E-Mail Caption Drs. Jeffrey Browning (right) and Shawn Burgess have found that people on low-carbohydrate diets depend more on the oxidation of fat in the liver for energy than those on a low-calorie diet. Credit UT Southwestern Medical Center Usage Restrictions Please use our credit line. Share Print E-Mail 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.