Stanley Hazen, MD, PhD, Cleveland Clinic (IMAGE) Cleveland Clinic Caption Cleveland Clinic researchers, led by Dr. Stanley Hazen, have identified a new pathway that contributes to cardiovascular disease associated with high levels of niacin. Credit Cleveland Clinic 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.