Aug 14, 2012 7:00 AM by Diana Kohnle
(HealthDay News) -- Tinnitus is the sensation of a ringing, buzzing, clicking, roaring or hissing sound in one or both ears. It's not a disease itself, but a sign that something is wrong with hearing, or the parts of the brain involved in processing sound.
The National Institute on Deafness and Other Communication Disorders says possible causes of tinnitus include:
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