Tracking opioid use (IMAGE) University of Massachusetts Amherst Caption Tauhidur Rahman and Bhanu Teja Gullapalli discuss their research findings. Credit UMass Amherst Usage Restrictions None License Original 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.