Chengfeng Yang, Michigan State University (IMAGE) Michigan State University Caption Chengfeng Yang, a physiology professor with Michigan State University, is studying the link between arsenic exposure and lung cancer. Credit Courtesy 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.