Sinuses are air-filled sacs (empty spaces) on either side of the nasal cavity that filter and clean the air breathed through the nose and lighten the bones of the skull. There are four paired ...

There are four pairs of sinuses (named for the skull bones in which they're located). Interactive diagrams show sinus cavity locations and help visualize sinusitis, the most common type of sinus ...

People who suffer from chronic sinus infections know the warning signs when one might be coming on. Doctors at Baylor College of Medicine say that is a good time to try preventative measures, such as ...

Sinus bradycardia. The average heart beats 60 to 100 times per minute. ... This test can map out the electrical impulses of your heart. Preventing Sick Sinus Syndrome.

Sinus drainage is a natural process, so a person cannot prevent it. The sinuses drain down the back of the throat and into the stomach. Each time a person swallows, they are swallowing some mucus.

For metropolitan cities, the fastest was Salt Lake City, Utah, with a speed of 7,215 megabits per second (Mbps), followed by the Bronx, New York, at 6,731 Mbps, and Hartford, Connecticut, at 6,201 ...

Sinus surgery may be necessary to treat chronic sinusitis. There are several different types of sinus surgery, all of which aim to open the airways and improve airflow.

You have sinuses above the eyes, below the eyes, and behind the eyes. Each one of those is a cavity or pocket that has a window, or an opening. Everybody experiences headaches from time to time.