Heroin Use Illustration (IMAGE) Washington University School of Medicine Caption New research at Washington University School of Medicine in St. Louis shows that drug abusers are not completely abandoning prescription painkillers for heroin. Many use both concurrently based on their availability. The findings also reveal regional variations in the use of heroin and prescription painkillers. Credit Photo Illustration/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.