Mucus is normally swallowed unconsciously, but when there is a feeling of the mucus gathering in the throat or dripping from the back of your nose, it is called post-nasal drip.
It is estimated that as many as 80 percent of people have a nasal septum that is off-center. This is called a deviated septum, which may or may not cause certain symptoms.
Three million children under the age of 18 have some kind of pediatric hearing loss. At birth, one in 1,000 children have significant permanent hearing loss.