American Society of Clinical Oncology, 2013Christian Medical and Dental Society, 2013American Medical Society Association, 2013American Medical Association, 2013American Academy of Family Physicians, 2013University of North Carolina at Chapel Hill School of Medicine, MD, 1986Family and Community Medicine, ProfessorWake Forest School of Medicine, Professor, Epidemiology and PreventionWake Forest School of Medicine, Professor, Psychiatry and Behavioral MedicineCenter for Addiction ResearchCenter on Diabetes, Obesity, and MetabolismComprehensive Cancer Center