Neil L. Kao, MD, a board-certified specialist in internal medicine, allergies and immunology and an attending physician at Greenville Health System and Spartanburg Regional Medical Center, both in South Carolina. He regularly blogs about allergy and asthma issues at KaoAllergyAsthma.blogspot.com.
Just as your eyes tear and your mouth makes saliva almost imperceptibly, your nose cleanses itself and moistens its lining…
You might be surprised to know that we all have some degree of postnasal drip all the time—mucus dripping down…
