Barbara Natterson-Horowitz, M.D., is Professor of Medicine in the Division of Cardiology at the David Geffen School of Medicine at UCLA. In addition, she is Adjunct Professor in the UCLA Department of Ecology and Evolutionary Biology where she teaches undergraduate and graduate courses on evolutionary medicine. Dr. Natterson-Horowitz is Co-Director of the Evolutionary Medicine Program at UCLA and Director of the Evolutionary Medicine track of UCLA's Master of Science in Biology graduate degree program.