الفهرس 
Introduction.Only 14 pages are availabe for public view
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Abstract
The most important conclusions and recommendations obtained from this study can be summarized as follows:
Our results provide evidence that, in adult male albino rats, intense chronic audiogenic stress can induce a significant decrease in serum LH, FSH and testosterone levels, while, in adult female albino rats, it can induce a significant reduction in serum LH, estradiol and progesterone levels. Hence continuous exposure to noise stress may have many adverse effects on some of vital physiologic functions in which the alteration in the levels of these hormones may play a significant contributory role, i.e. chronic exposure to high level of noise may be detrimental to testicular and ovarian functions.
Environmental medicine is required to examine the health risks attributed to noise and particular attention should be paid to the association of noise with the so-called classical risks of reproductive outcomes disorders and hearing loss.
To minimize the stress and other effects of noise, we recommend the use of ear protectors which can reduce the noise level.
People in general and workers of plants of heavy industries (eg. iron and steel & textile…. etc.) should be educated through radio, TV, newspapers about the grave effects of noise pollution.
Further studies are necessary to examine the effects of noise on other biochemical, haematological and histopathological parameters.
Also, further investigations are required to:
Study the involvement of reactive oxygen species (ROS) in the induction and persistence of genetic damage related to loud noise exposure in extra auditory organs like ovary and testis.