Jae Kennedy, Washington State University (IMAGE) Washington State University Caption Jae Kennedy, a Washington State University professor of Health Policy and Administration, says nearly one in five US adults suffer persistent pain. Credit WSU photo 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.