Regular mucus tends to be thin and slippery, and it is generally a constant presence on a day-to-day basis. Meanwhile, phlegm ...

“In general, both spitting and swallowing are safe to do,” Parsons echoed. “Swallowing is harmless, because the stomach acid ...

Nasal congestion is nothing to be sniffed at, according to doctors who argue they could be signs of some underlying health ...

Allergic rhinitis, often called hay fever, mimics cold symptoms but isn’t caused by a virus or bacteria. Non-allergic rhinitis, triggered by irritants like smoke, strong odours, or weather changes, ...

If a pathogen or allergen causes the sinus tissue to get inflamed and swollen, a condition known as sinusitis, the flow of mucus can get blocked. This creates pressure in the sinuses.

Q I saw my dentist for pain in an upper molar, but the X-ray was normal. My nose was also plugged up, and she said it might ...

Tiny magnetic bots that are activated by light can clear bacterial infections deep in the sinus cavities, then be expelled by ...

Discover 6 alarming reasons why your mucus turns brown and what this color change means for your health. Learn when to seek medical help immediately.

Cutting out dairy products can also improve sinusitis symptoms as they encourage mucus production. Recommended supplements include two 1,000g capsules of Vitamin C per day.

The sinuses are lined with respiratory mucosa. This is less vascular than the turbinate mucosa, and contains a large number of ciliated cells, which efficiently remove mucus and pathogens.

Neti pots and similar sinus rinsing tools are a staple in many households, but in rare cases these devices can be deadly when ...