Sinus News is a resource of articles related to sinus infections, sinusitis, asthma, allergies, and allergy conditions.

Links to articles on sinusitis, at The Body, the complete AIDS and HIV information resource.

Do you know why we have sinuses Don t feel bad if you don t. The experts also are puzzled about why we have four pairs of empty, air-filled cavities in the face, and why they cause so many problems. But doctors do know how sinuses function. Lined by the same type of mucous membranes that coat the back of your throat, your sinuses take in air and drain out mucus containing germs and debris.