Please Explain: Sneezing

This week’s Please Explain investigates a common phenomenon that’s mysterious to many of us: sneezing! Dr. Marjorie Slankard, Clinical Professor of Medicine at Columbia University Medical Center, and Director of the Allergy Clinic at New York Presbyterian Hospital, and Dr.Neil Kao, allergy and asthma specialist with the Allergic Disease and Asthma Center in Greenville, South Carolina, join us.