Noise effects in several different ways.

Hearing damage is the most well-known effect.

Noise influence task performance, mental or physical state, we sleep badly.

 Such occupations are exposure by noise: construction, heavy industry, flying, printing, mechanized farming and truck driving.

Young people listening to rock-and-roll music can be causing hearing loss.

Noise above 70 db damages our hearing.

Noise causes 3 types of physiological responses.

First, reaction when the head and eyes turn to the noise source and the body prepares for action.

Second, when noise is over 70 db and changes in such functions.

Third, type influence neuoroendocrine responses and reproductive functions.





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