Lusine Yaghyjan, Ph.D., joined the Department of Epidemiology in 2013 as an Assistant Professor. She received her Ph.D. in Epidemiology from the University of Cincinnati and continued her research as a Postdoctoral Research Associate at Washington University. Her areas of expertise include the epidemiology of breast cancer; mammographic breast density as a breast cancer risk factor; molecular cancer epidemiology; benign breast disease; breast stem cells; the role of intestinal microbiome in breast carcinogenesis; epigenetics in cancer; environmental exposures (endocrine disruptors) and gene-environment interactions in the etiology of breast cancer.