نتایج جستجو برای: noise exposure
تعداد نتایج: 496717 فیلتر نتایج به سال:
Introduction: Workplace noise is one of the causes of job stress. Stress can affect a personchr('39')s communication skills. Therefore, the present study was aimed to investigate the relationship between occupational noise exposure and workers communication skills. Methods: This cross-sectional study conducted in 2019 in one of the mines in Yazd province. The sample size was 80 people who were...
Background and Aim: Autotoxic substances such as JP-4 jet fuel can have negative effects on the auditory system by the various means such as cochlear dysfunction. The purpose of this study was to investigate the combined effects of exposure to JP-4 jet fuel and noise on hearing loss in rats, to determine the possible interference effects of these two risk factors on rat auditory system. Methods...
Background: It is believed that cognitive processing is easily disturbed by incompatible environmental stimulations. Many studies have shown that prenatal stress affects fetal brain development. The aim of this study was to evaluate the effect of noise pollution exposure during conception period on neural activity of hippocampus CA1 area in male rat offspring. Methods: Four groups of rats inclu...
background: noise pollution is considered as a stressful factor in every day’s life of the industrial world. the present study was designed to investigate the probable effects of different time exposure of noise stress on histomorphometric changes of adrenal gland, plasma cortisol and body weight of the rat. methods: sixty adult male wistar rats were divided into two series of short time nois...
Introduction: Previous studies have been conducted on the effects of exposure of industrial workers to high levels of noise and their association with mental health or exposure of people to harmful levels of environmental noise. In this study, we investigated the association between moderate noise levels and the symptoms of depression, anxiety, and stress in non-industrial workers. Material an...
Background and aims: Noise is one of the troubles in industrial world and numerous people are affected by it. Sleep disturbance is a harmful effect of exposure to noise. High quality of sleep is an important factor in health and well-being so its decline can threaten persons’ health and even their safety. The current study was conducted to assess the relationship between exposure to noise...
conclusions the adoption of 85 dba as the permissible exposure limit has preserved hearing threshold level among participants at 3000 hz compared to those who embraced 90 dba. patients and methods this is an intervention study done on two automobile factories. there were 203 employees exposed to noise levels beyond the action level. hearing protection devices were distributed to reduce noise le...
simultaneous exposure of highly-used chemical and physical agents are expected to happen in many occupations. in the present study the impact of simultaneous exposure to noise and formaldehyde on oxidative stress in blood and liver tissue of rat was investigated. animal study was conducted in the school of public health, shahid beheshti university of medical scineces, tehran, iran in 2013. a to...
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