Os LAD provocam surdez?
Da Reuters, de 14 de Março, com o título «IPod hearing risk needs more study - NIH», By Karey Wutkowski:
«More research is needed to determine whether popular portable music players like Apple Computer Inc.'s iPod increase the risk of hearing loss, the National Institutes of Health said in response to a lawmaker's request for a review of the issue. Earbud headphones, like the ones typically used with iPods, project sound directly into the ear canal, while traditional earmuff-style headphones allow the sound to diffuse, the NIH said in a Feb. 14 letter made available on Tuesday. The proximity of the source of the sound to the ears can contribute to hearing loss, but "more research is required to determine if a particular type (of earphone) increases the risk," said James Battey, director of the National Institute on Deafness and Other Communication Disorders, in the NIH letter»
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Edgard Costa -
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