نتایج جستجو برای: occupational exposure
تعداد نتایج: 351088 فیلتر نتایج به سال:
background: toluene is a harmful substance still being used as a solvent and catalyst in many industries that can increase the level of urinary hippuric acid (uha). this study was designed to examine the level of toluene and uha among workers of industrial site in seven companies in sidoarjo, indonesia and to analyze the risk factors for abnormal uha. methods: this study was an analytical cross...
background: this study has been conducted on workers from several workplaces where materials containing lead are used during december 2006-april 2007 in eskişehir, a city of the middle anatolian region of turkey. methods: the study and control groups were occured with 403, and 97 men, respectively. after each interview with the individuals, their blood pressures (bp) and complete blood counts (...
background: for its toxicity, benzene exposure is one of the main health concerns for high risk occupations like gasoline station workers. however, there is little knowledge about the effect of benzene metabolites on hematological parameters. objective: to evaluate the correlation between the urinary level of trans, trans-muconic acid (t, t-ma), a benzene metabolite, and some hematological para...
exposure to air pollutants, steel dust or other occupational and environmental hazards as oxidative stress have adverse effects on subway workers' health. oxidative stress generates an excessive amount of reactive oxygen species (ros) and oxygen free radicals during their work time in the tunnels. once dna is repaired, urinary 8-hydroxy-deoxyguanosine (8-ohdg) is excreted in the urine. therefor...
backgrounds and aims: aluminum and in particular its compounds make up a large proportion of the pollutants coming from the aluminum foundry. in several studies conducted on the harmful effects of aluminum in recent decades, it has been identified as a neurotoxic metal. chronic occupational exposure through inhalation of dust is a common problem in aluminum foundries. investigation of the expos...
Introduction: In previous studies the appearance of vitiligo following occupational exposure has been defined. This study evaluates high risk occupational exposures before the onset of disease among patients with vitiligo Methods: All vitiliginous patients refered to dermatologic clinic of Imam Hospital, were asked about age of onset, recent and previous occupations, risky occupational exposur...
large volumes of mostly irreparable electronic waste (e-waste) are shipped to africa on a monthly basis, of which nigeria receives the largest share. e-waste management practices in nigeria have remained completely primitive until date; and e-waste workers have little or no occupational safety knowledge and devices. the thousands of chemicals in e-waste have been reported to be toxic to human h...
conclusions based on existing data, hiv infection surveillance, performance of standard precaution, and post exposure prophylaxis with anti-retroviral drugs outlined in this review article represent reasonable interim approaches to this complex problem. context human immunodeficiency virus (hiv) infection and acquired immunodeficiency syndrome (aids) concentrated in injecting drug users (idus) ...
Malignant mesothelioma is an uncommon but rapidly fatal disease for which the principal aetiological agent is exposure to asbestos. Mesothelioma is of particular significance in Australia where asbestos use was very widespread from the 1950s until the 1980s. Exposure to asbestos includes occupational exposure associated with working with asbestos or in workplaces where asbestos is used and also...
We recently completed a review of scientific evidence, particularly epidemiologic evidence, regarding the contribution of environmental and occupational exposures to the overall cancer burden in the US. We evaluated the efforts to estimate the proportion of cancer due to these involuntary exposures, including the ambitious effort by Doll and Peto and an update by a group of authors at the Harva...
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