Medical research

Research examines chronic sinusitis

According to the National Institutes for Health, chronic sinusitis, also known as chronic rhinosinusitis (CRS), affects approximately 14.6% of the United States population and is currently the fifth most common condition ...

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Sinusitis is inflammation of the paranasal sinuses, which may be due to infection, allergy, or autoimmune issues. Most cases are due to a viral infection and resolve over the course of 10 days. It is a common condition; for example, in the United States more than 24 million cases occur annually.

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