| http://www.w3.org/ns/prov#value | - The following may increase your risk for developing sinusitis: air pollution, smoke, allergies, asthma, changes in the altitude, for example from flying or scuba diving, from dental work such as root canals or extractions, etc., a deviated nasal septum, a nasal bone spur, or nasal polyp, a foreign body in your nose, swimming or diving often, gastroesophageal reflux disease (called GERD or more com
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