By and UPDATED December 16, 2015. The Federal Reserve decided to raise short-term interest rates for the first time since the financial crisis. Officials said the economy was strong enough to keep growing with a little less help from the central bank.
Clinical Relevance: Sinusitis. As the paranasal sinuses are continuous with the nasal cavity, an upper respiratory tract infection can spread to the sinuses. Infection of the sinuses causes inflammation (particularly pain and swelling) of the mucosa, and is known as sinusitis. If more than one sinus is affected, it is called pansinusitis.
Head Congestion. There are four pairs of paranasal sinuses. Frontal sinuses are located above the eyes in the forehead bones. Your maxillary sinuses are the largest. They are found in the cheekbones and under your eyes. Ethmoid sinuses are between the eyes and the nose.