17% of US adults have noise-induced hearing loss. A new study uncovers a biologic reason orlandosentinel.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from orlandosentinel.com Daily Mail and Mail on Sunday newspapers.
Hearing loss caused by noise exposure, impacting millions globally, results from cellular damage in the inner ear linked to an excess of freely circulating zinc.