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Hearing Loss and the Aging Ear

Hearing Loss and the Aging Ear

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Christopher J. Danner, MD, Fellow Otology/Neurotology/Skull Base Surgery and Jeffery P. Harris, MD, PhD, Departmental Chairman, Department of Otolaryngology, Head and Neck Surgery, University of California--San Diego, San Diego, CA, USA.

Multiple factors lead to the cause and progression of presbycusis or hearing loss secondary to increased age. Noise trauma, genetic predisposition and oxidative damage all have been implicated in its development. Tinnitus, a frequent side effect of hearing loss, often has its origin within the central auditory system. A classification scheme for hearing loss and treatment options for tinnitus are discussed.
Key words: hearing loss, presbycusis, tinnitus, free radicals, central auditory system.