Each of eight children, a striking reduction of the hearing. This is a study of the Federal Environment Agency (UBA) in Dessau revealed for the 1084 children were examined.
For example, 12.8 percent of the 8-14-year-olds at high and middle tones in the frequencyI am one to six kilohertz (kHz) a conspicuous Hörminderung of more than 20 decibels in at least one ear to notify with the UBA. In the frequency range four to six kHz, in which noise-related hearing loss mainly showed it had 10.6 [more]
Each of eight children, a striking reduction of the hearing. This is a study of the Federal Environment Agency (UBA) in Dessau revealed for the 1084 children were examined. For example, 12.8 percent of the 8-14-year-olds at high and middle tones in the frequencyI am one to six ...