Dr. Ji Won Yoo, Dr. Scott Lee (both Medicine); Nicole Jeong (Psychology); and Jay Shen (Public Health), along with Hee-Taik Kang, a past visiting scholar in the School of Public Health;    Joungyoun Kim, Hyo-Sun You, Ye-Seul Kim, all of Chungbuk National University in Korea; Hyung-Jin Hyun of Seoul National University in Korea; and Eun-A Choi of the Korea National Institute of Health, Korea Centers for Disease Control and Prevention, published a paper "Diabetes, Metformin, and Lung Cancer: Retrospective Study of the Korean NHIS-HEALS Database" in the medical journal Clinical Lung Cancer. The paper explores the incidence of lung cancer in patients who received metformin therapy. Metformin is the first option in managing type 2 diabetes mellitus.