Dr. Nortin Hadler, professor of medicine and microbiology/immunology at the University of North Carolina at Chapel Hill, joins host Dr. Maurice Pickard to discusses his book, Worried Sick: A Prescription for Health in an Overtreated America. Dr. Hadler's book examines the reach of medical treatment in America and the degree to which health is determined by socioeconomic factors that are out of a doctor's hands.