Louis, Missouri, U.S.A., noted: “About 75 percent of hearing loss in the typical American is caused not by the aging process alone but by what you’ve done to your ears throughout your lifetime. ”
اذا تعرَّض المرء —‏ ولو وقتا قصيرا —‏ لأصوات صاخبة وحادة جدا ،‏ يمكن ان تتأذى البنى الحساسة في الاذن الداخلية .‏