Ear Disease, Exposure to noise
The effects of noise exposure on hearing depend on the intensity and duration of the noise. The effects may be temporary or permanent. A single exposure to an extremely intense sound, such as an explosion, may produce a severe and permanent loss of hearing. Repeated exposures to sounds in excess of 80 to 90 decibels may cause gradual deterioration of hearing by destroying
posted by SeriousLock @ 9:49 PM
0 Comments:
Post a Comment
<< Home