Americans afflicted with 'phantom noise', ringing in ears

Aired: 11/6/2013 | 0:08:30 | Clip
Among combat veterans who've suffered powerful explosions, tinnitus -- or ringing in the ears -- remains a daily battle. But they're not alone. Fifty million Americans also suffer from the "auditory phantom." Science correspondent Miles O'Brien reports on the science behind the nagging noise and the search for a cure.

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