Abstract
It is obvious that one’s occupation is a prime cause of hearing loss. This typically results in so-called noise-induced hearing loss (NIHL). A variant of that is music-induced hearing impairment that is part occupational (musicians and workers in the music industry) and part recreational (attendance of concerts, listening to MP3 players). Another main factor that affects ultimately everyone is aging; this results in age-related hearing impairment (ARHI). The two main causes, NIHL and ARHI, interact with each other in a nonlinear way: the sum of pure NIHL and pure ARHI is less than the combined effect that most people are experiencing. The individual sensitivity to NIHL and ARHI varies quite a bit, and the reason might lie in genetic aspects. Several gene mutations have been identified that exaggerate the sensitivity to NIHL and most of these are also underlying ARHI.
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