Laura B (IMAGE) Washington University School of Medicine Caption A research team, led by Laura J. Bierut, MD, at Washington University School of Medicine in St. Louis, found that less than half of Americans who received treatment for opioid use disorder over a five-year period were offered a potentially lifesaving medication. The numbers were even lower for those with what’s known as polysubstance use disorder — when opioid users also misuse other substances. Credit Washington University School of Medicine 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.