Carlos Bernal-Mizrachi and Mouse (IMAGE) Washington University School of Medicine Caption Washington University diabetes researcher Carlos Bernal-Mizrachi, M.D., shown with a mouse that lacks the ability to process vitamin D in key immune cells. Without adequate vitamin D in those cells, the animals developed diabetes and atherosclerosis. Credit Robert Boston 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.