Ear, nose, and throat disorders sourcebook : basic consumer health information about the causes, symptoms, diagnosis, and treatment of diseases and disorders that affect the ears, nose, sinuses, throat, and voice, including ear infections, otosclerosis, cholesteatoma, hearing loss, ototoxicity, tinnitus, vertigo, Ménière disease, perilymp fistula, sinusitis, deviated septum, sleep apnea, sore throat, laryngitis, tonsillitus, swallowing disorders, otolaryngologic cancers, laryngeal cancer, and more, along with reports on current research initiatives, a glossary of related medical terms, and a directory of sources for further help and information.