Air filters are our main defense against airborne pollutants, but conventional designs rely on weak adhesive forces and often ...

Snot, also known as nasal mucus, plays a powerful role in protecting us from disease – and its colour alone can provide insights into what's going on in our bodies, BBC reports. In Ancient Greece, ...

It is important to observe the differentiation between mucoceles and retention cysts: mucoceles develop from sinus ostium obstruction, and the cavity becomes completely filled with mucus involved by ...

The nasal mucosa is protected by a secretory blanket with two layers: a deeper aqueous layer and a more superficial mucous layer. Entrapped particles are moved posteriorly toward the nasopharynx ...

Learn how to tell the difference between sinus infections and allergies for better treatment and faster relief from your symptoms.

Allergies and sinus infections can cause many similar symptoms, such as nasal congestion. However, the conditions have different causes and treatments.

Although allergies can produce many of the same symptoms as a sinus infection, the condition is different. A sinus infection, also called sinusitis, affects the cavities around your nasal passages.

Maxillary sinus retention cysts (MRCs) are typically asymptomatic and require no treatment. An early 30s man presented with a decade-long history of severe left-sided chronic facial pain (CFP).

Post-nasal drip occurs when mucus moves down your throat, causing irritation and cough. Here’s how medical professionals say you can stop it in its tracks.

A nasal rinse is a common practice to clear nasal passages, especially during cold, flu, and allergy seasons. It helps remove mucus, debris, and allergens that build in the nose. “A saltwater rinse is ...

WebMD explains the causes, symptoms, and treatment of a mucocele -- a type of cyst that forms in your mouth when salivary glands become blocked.

Sinus massage involves gently rubbing areas around the nose, cheeks, and forehead to relieve sinus pressure, promote drainage, and reduce congestion or headaches.