Lawrence J. Appel

Lawrence J. Appel is the C. David Molina Professor of Medicine and Director of the Welch Center for Prevention, Epidemiology and Clinical Research at Johns Hopkins University, a joint program of the Johns Hopkins University School of Medicine and the Bloomberg School of Public Health. Dr. Appel is a primary care internist who holds a primary appointment in the Department of Medicine with joint appointments in the Department of Epidemiology, International Health, and Nursing. In addition, he directs the ProHealth Clinical Research Unit. The focus of his career is the conduct of clinical, epidemiologic, and translational research pertaining to the prevention and control of high blood pressure, cardiovascular-kidney diseases, and other chronic conditions, primarily through nutrition-based interventions.

Education Appel received his M.D. from New York University School of Medicine in 1981 and his M.P.H. from the Johns Hopkins Bloomberg School of Public Health in 1989.

Research Appel's research consists of three different types of studies: controlled feeding studies, behavioral intervention trials, and cohort studies pertaining to chronic kidney disease. He has also been credited with convincing the FDA that food companies should be able to put labels on their products saying that potassium has health benefits. In 2014, he published a study that found that a low-glycemic index diet did not improve insulin sensitivity, cholesterol levels or blood pressure compared with a high glycemic-index diet.

Honors and awards Appel was elected to the Institute of Medicine in 2012.