Secondhand Smoke Associated With Hearing Impairment

Second hand smoke (SHS) associated hearing losses of 15 dB or greater in adolescence is found to be proportional to the level of exposure. In adult former smokers SHS exposure risk, of at least a 25dB impairment, increased 30% and 40% for low/mid and high frequencies, respectively. Never smokers hearing impairment risk increased by 14% for low/mid…

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