Leonard Sax, M.D., Ph.D., is a family physician who also holds a PhD in psychology and speaks to community groups, schools, and professional organizations. His scientific work has appeared in American Psychologist, Annals of Family Medicine, Behavioral Neuroscience, Environmental Health Perspectives, and the Journal of the American Medical Association, among other publications. He's appeared on CNN, PBS, The TODAY Show, Fox News, NPR's Talk of the Nation, and a slew of other national shows. He lives in suburban Philadelphia with his wife and children.