New earphones for cell phones and MP3 players which fit snugly in the ear may be leading to serious hearing problems for Americans over the long term, according to researchers at Purdue University. That may be bad news for heavy cell phone users who rely on new head sets designed to keep their phones away from their heads. Robert Novack, head of audiology at the school, says he is seeing "older ears on younger bodies," a trend that began with the arrival of the Walkman two decades ago and has grown increasingly worse.
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