Jeffrey Krischer, PhD (IMAGE) University of South Florida (USF Health) Caption University of South Florida Distinguished Health Professor Jeffrey Krischer, PhD, is the principal investigator for The Environmental Determinants of Diabetes in The Young study, known as TEDDY. Credit USF Health/University of South Florida Usage Restrictions Please use photo with appropriate caption. 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.