Abstract
The importance of hearing loss caused by noise, as well as the great number of acute disturbances of the inner ear, raises the question as to what extent individual disposition or environmental factors contribute to inner ear damage. Since magnesium performs an important function in cell metabolism, but only a small amount of magnesium is present in a normal diet, investigations were performed to determine whether magnesium deficiency influences the extent of experimental hearing impairment due to noise. Long-term exposure to noise over a period of 12 weeks resulted in a PTS in the magnesium-poor group of 34.2 dB and of only 16.8 dB in the control group. At 2 p < 0.001, the difference was significant. For a proper assessment, it is of significance that the magnesium shortage was intensified by the stress, and that, therefore, the risk of inner ear damage is substantially increased by stress (noise) and magnesium deficiency.
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