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Definition of Deafness

Deafness: Partial or complete hearing loss. Levels of hearing impairment vary from a mild to a total loss of hearing. Elderly adults suffer most often from hearing loss. The most common cause of hearing loss in children is otitis media. A substantial number of hearing impairments are caused by environmental factors such as noise, drugs, and toxins. Deafness can also result from inherited disorders.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=6791
Last Editorial Review: 3/19/2012

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