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Less loud sounds can still damage ears

作者:夹谷勐婊    发布时间:2019-03-08 03:20:23    

By Ewen Callaway HOW loud is too loud? Sounds thought to cause only temporary hearing loss have destroyed nerve cells in the ears of mice. If the finding translates to humans, the laws that determine the noises workers can be exposed to may need to change. Such regulations focus on preventing the destruction of hair cells in the inner ear, which causes a jump in someone’s hearing threshold. This threshold is “the lowest level of sound you can detect”,

 

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