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A recent study indicates that 20 million people in the United States have significant sensorineural hearing loss. What changes in the function of the cochlea or inner ear cause such losses?. What does the world sound like to the 19 million people with residual hearing?.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.