illustration (IMAGE) UT Southwestern Medical Center Caption A UTSW study identified a type of blood vessel cell that triggers inflammation in fat tissue. Above, inflammatory immune cells (green) surround fat cells (red) in obesity and contribute to the development of metabolic disease. 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.