flour dust has been introduced as one of the effective factors in the prevalence of respiratory disorders among the workers of the flour production factories. the purpose of the present study is to examine the effects of this pollutant on the pulmonary functions and survey the prevalence of respiratory symptoms among workers of flour production factories in arak, iran.   exposure to flour dust ...

background: this cross sectional study was carried out to determine the relationship between metal dust exposure and respiratory health in male steel workers in terengganu, malaysia. methods: subjects were interviewed using a structured questionnaire from british medical research council (bmrc) questionnaire regarding respiratory symptoms and were examined their lung function using spirometer. ...

background: most of the studies have reported higher occupational health hazâ­ards on hazardous waste workers (hww). however reports regarding the assoâ­ciation between health hazards and pro-inflammatory cytokines in hww are scanty. the present study was undertaken to evaluate the relationship between occupational health hazards and serum pro-inflammatory cytokines in hww. methods: one hundred...

background: exposure to respirable particulate matter containing silica in the working environment can lead to respiratory diseases and other health hazards. the current study was designed to estimate the prevalence of lung diseases and their determining factors in the stone carvers of kerman, iran.   materials and methods: this was a cross-sectional study in which 67 male workers exposed to st...

background: this study was to determine the prevalence of respiratory health complaints, allergy symptom, lung functions, and the association between airborne concentrations of chromium and aluminium with respiratory health and allergy symptoms among machining industry workers in selangor, malaysia. methods: the study design was a cross-sectional comparative study. the respiratory and allergy s...

more than one percent of the labor force in each country consists of welders exposed to various damages caused by welding. the number of studies conducted in this field is low, especially in iran. in this paper, we tried to discover any temporary and reversible obstructive effect of welding fumes on the respiratory systems of welders. in this cross-sectional study, peak expiratory flow rates an...

garbage collectors are occupationally exposed to a variety of airborne contaminants. the main objective of this study was to evaluate the respiratory health of garbage collectors. this study was carried out in fars province, south of iran. a group of 105 garbage collectors and 93 referent subjects were investigated. a standard questionnaire was administered to both groups. furthermore, subjects...

welding is one of the key components of numerous manufacturing industries, which has potential physical and chemical health hazards. many components of welding fumes can potentially affect the lung function. this study investigates the effects of welding fumes on lung function and respiratory symptoms among welders of an automobile manufacturing plant in iran. this historical cohort study asses...