Article: Research conducted at National Taiwan University has provided new information about audiology.(Clinical report)

According to a study from Taipei, Taiwan, "This longitudinal study investigated how chronic gunshot noise exposure affects cochlear and saccular function in police officers who engaged in regular target shooting practice using dual protection (car plugs plus earmuffs) for > 10 years. In 1997. 20 male police officers underwent audiometry before and two weeks after shooting. Twelve of the original subjects were re-examined by audiometry coupled with vestibular evoked myogenic potential (VEMP) test in 2007."

"Significant deterioration of mean hearing thresholds at Frequencies of 500 Hz through 4000 Hz was noted ten years later. affecting both ears. However, only the ...

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