<qa>  What is the main goal of the project?Differences in how diet fats are converted to energy could explain some of the reported differences in health effects among different classes of dietary fat e.g. monounsaturated vs. saturated. Recently, this laboratory showed that monounsaturated fats are turned into energy more readily than saturated fats. These results may mean that if one feeds more monounsaturated fatty acids MUFA and less saturated fatty acids SFA in the diet, body fat might accumulate at a lower rate. This could affect the risk of obesity and Type 2 Diabetes. This project has two principal Specific Aims which will be assessed in healthy young adults who are fed liquid formulas containing either an approximately equal amount of MUFA and SFA controls or a much greater amount of MUFA and much less SFA: 