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.
You might be surprised to know that we all have some degree of postnasal drip all the time—mucus dripping down…
Mucus. It’s hard to even say the word without curling a lip in disgust. But this much-maligned secretion is really…
