diagnose and treat: diseases of the ear, including infections, hearing and balance problems, and ringing in the ears; disorders of the nose and sinuses, such as infections, problems with stuffy nose, bleeding from the nose, snoring and sleep apnea and loss of smell; disorders of the throat, including voice and swallowing problems, sore throat and reflux disease; cancerous and non-cancerous tumors of the head and neck, including the thyroid and parathyroid; treatment of nasal and sinus allergy; facial plastics and reconstructive surgery; and pediatric ear, nose and throat problems such as infections of the ears, tonsils and adenoids.