background: national institute of environmental health sciences (niehs) scientists shows that long-term exposure to air pollutants increases the risk of respiratory diseases such as allergies, asthma, chronic obstructive pulmonary disease, and lung cancer. children and the elderly are particularly vulnerable to the health effects of ozone, fine particles, and other airborne toxicants. air pollu...

glutaraldehyde is commonly used in endoscopy labs to clean and disinfect instruments. it can cause direct irritation of the skin and the upper and lower airways. health care workers are also at risk for the development of irritant-induced or sensitizer-induced occupational asthma when exposed to this chemical. herein, we report on a patient who had frequent exposures to glutaraldehyde over one ...

background : the present study was undertaken to ascertain whether (or not) long term occupational exposure to low (sub-tlv levels) atmospheric concentrations of chlorine gas was associated with any significant decrements in the parameters of pulmonary function and/or  increased prevalence of respiratory symptoms. methods : in this retrospective cohort study that was performed in 2012, 54 worke...

background: galvanization is the process of coating steel or cast iron pieces with a thin layer of zinc allowing protection against corrosion. one of the important hazards in this industry is exposure to zinc compounds specially zinc oxide fumes and dusts. in this study we evaluated chronic effects of zinc oxide on the respiratory tract of galvanizers. method : 188 workers were selected from a ...

background: this study aimed to assess the burden of household smoking habits on the occurrence of respiratory symptoms among young adolescents in malaysia. methodology: the impact of secondhand smoke (shs) exposures on the occurrence of respiratory symptoms was investigated on 234 adolescents (13-14 years old) residing in two states in malaysia. adolescents completed a self-administered questi...

background: air pollution is one of the most important factors threatening the health of citizens. it increases the prevalence of cardiovascular and respiratory diseases as well as emergency admissions to hospitals in the polluted metropolitan cities. the present study was conducted using air quality (airq) model and aimed to investigate the effects of air pollution on the number of emergency c...

Introduction: Exposure to flour dust is an important risk factor in occurrence of allergic airway disorders among mill workers. The purpose of this study was to determine the prevalence of respiratory symptoms and its relation with exposure to respirable dust. Materials and Methods: In this study, all of 35 workers who worked in the flour producing section of three factories were chosen as ca...