Xia Zheng, Ph.D., is an assistant professor at the School of Communication and Journalism. Xia has published extensively on the mechanisms of social media influences on e-cigarette use, the leading tobacco product used among the youth population. His overall research program focuses on the roles of mediated and interpersonal communication on health behaviors in the new media ecology. He is particularly interested in developing and evaluating communication-based interventions to positively change behaviors.