Sometimes, Adolescents Just Can't Resist (IMAGE) University of Iowa Caption A University of Iowa study finds teenagers are far more sensitive than adults to the immediate effect or reward of their behaviors. Credit Austin Smoldt-Sáenz, University of Iowa 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.