SMU Assistant Professor Aljoscha Janssen (IMAGE) Singapore Management University Caption SMU researchers find that increased competition and pharmacy ownership are ‘likely’ reasons why millions of Americans misuse highly potent painkillers. Policymakers, they say, may want to consider strengthening monitoring and regulations. Credit Singapore Management University Usage Restrictions Please include image credit. 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.