occupational asthma is defined as “a disease of variable airflow limitations and/or airway hyper-responsiveness due to causes and conditions attributable to a particular occupational environment and not stimuli that are being encountered outside the workplace.” an analysis of general population-based studies published up to 2007 showed that 17.6% of all adultonset asthma is due to workplace exp...

occupational therapy in iran is relatively young-established in 1971-with a fluctuated development due to the iranian revolution in 1979, and eight years war from 1981 to 1989. today, there are ten bachelor programs across the country approved by world federation of occupational therapists (wfot). furthermore, occupational therapists have opportunities for further postgraduate training in both ...

OBJECTIVES To provide a framework for epidemiological research on work and health that combines classic occupational epidemiology and the consideration of work in a structural perspective focused on gender inequalities in health. METHODS Gaps and limitations in classic occupational epidemiology, when considered from a gender perspective, are described. Limitations in research on work related ...

The aim of this study was to describe changes in employment and income following a diagnosis of occupational asthma, and to determine what factors might affect these changes. Two hundred and nine patients with occupational asthma were reviewed on average 3.1 yrs after the diagnosis had been made. They were contacted by telephone or were sent a self-administered questionnaire by post. Multiple l...

This article describes a pioneering longitudinal investigation from Australia known as the Hunter Community Study (HCS). The HCS investigates retired and near-retired persons randomly selected in a regional area on the heavily populated east coast. As it collects detailed survey, clinical, and biological measures, the HCS is more comprehensive than most other research of this nature. The HCS al...

Abstract Although various rating systems have been developed to promote sustainable development in roadway construction, sustainability evaluation from the perspective of safeguarding workers’ health is currently lacking. Three approaches were used study identify and prioritize key hazards workers including bibliometric analysis, questionnaire survey analytic hierarchy process (AHP). Bibliometr...

This paper describes the current status of occupational health and safety countermeasures in Beijing, China. It includes the network and organization of occupational health, occupational health personnel, the refitting of industrial structures, hazardous agents at workplaces, the classification and incident rates of occupational diseases. The management of occupational health and safety, new ch...

Residual stresses in a surface layer determine many exploitation characteristics of machined surface. Depending on their kind and the type of applied loading, the influence of residual stresses can be negative or positive. Tensile residual stresses usually exert highly detrimental impact on several functional aspects such as strength, fatigue life, corrosion, wear resistance, etc., whereas comp...