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| Tinnitus is the term for
the perception of sound when no external sound is
present. It is often referred to as "ringing in the
ears," although some people hear hissing, roaring,
whistling, chirping, or clicking. Tinnitus can be
intermittent or constant, with single or multiple tones.
Its' perceived volume can range from very soft to
extremely loud. |
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| 50 million Americans
experience tinnitus to some degree. Of these, about 12
million have tinnitus which is severe enough to seek
medical attention. Of those, about two million patients
are so seriously debilitated by their tinnitus, they
cannot function on a "normal," day-to-day basis. |
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