Dr. Corey Hayes (IMAGE) Veterans Affairs Research Communications Caption Pharmacist Dr. Corey Hayes and colleagues found that higher opioid doses did not bring more pain relief -- but did increase the risk of harmful side effects. Credit Jeff Bowen 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.