Tweens using health apps (IMAGE) Michigan Medicine - University of Michigan Caption The nationally representative report is based on responses from parents who had at least one child ages 8-12. Credit C.S. Mott Children's Hospital National Poll on Children's Health at Michigan Medicine. 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.