نتایج جستجو برای: respiratory health effects
تعداد نتایج: 2562012 فیلتر نتایج به سال:
background: the main objective of this study was to determine the respiratory health symptoms and lung function among roadside hawkers in serdang, malaysia and its association with traffic-related exposures. methods: this cross-sectional comparative study was conducted among 60 roadside hawkers while 60 restaurant workers were included as the comparative group in 2015. a questionnaire was used ...
BACKGROUND The link between concentrations of particulate matter (PM) and respiratory morbidity has been investigated in numerous studies. OBJECTIVES The aim of this study was to analyze the role of different particle size fractions with respect to respiratory health in Beijing, China. METHODS Data on particle size distributions from 3 nm to 1 µm; PM10 (PM ≤ 10 µm), nitrogen dioxide (NO(2))...
background: in recent years, dust has been the major problem in kermanshah climate. the dust causes undesirable environmental consequences such as human health, economic, and climate change effects. this study investigated the relationship between the dust concentrations and the increased number of patients with respiratory and heart problems admitted to hospitals in kermanshah city in 2011. me...
Background & Aims of the Study : Ground-Level Ozone (GLO) is the component of one of greatest concern that threatened human health in both developing as well as developed countries. The GLO mainly enters the body through the respiration and can cause decrements in pulmonary complications, eye burning, shortness of breath, coughing, failure of immune defense, decreases forced vital cap...
Cannabis is the second most widely smoked substance besides tobacco. Moreover, its use in some societies has increased over the past several years [1], possibly due to changing perceptions regarding its potentially deleterious effects on health and its putative health benefits [2], as reflected by decriminalisation and legalisation for medicinal or recreational use by some regulatory authoritie...
This paper examines the effects of laws mandating that health insurance cover specific conditions, procedures, providers, and beneficiaries. Unlike previous work, this paper considers the market for employer-based health insurance rather than the much smaller individual market, and uses a panel data approach to account for unobserved heterogeneity among states. Using a fixed effects model, I fi...
BACKGROUND Only few studies have assessed the relative impact of prenatal and postnatal exposure to tobacco smoke on the child's later asthma or chronic respiratory symptoms and to our knowledge no studies have elaborated respiratory infections and allergies in this context. OBJECTIVE To assess the effects of prenatal and postnatal exposure to tobacco smoke on respiratory health of Russian sc...
Objectively assessing respiratory health in longitudinal social science surveys would involve collecting pulmonary function measures on research participants, either in clinic settings or at home. These measures include indicators of volume (e.g., maximal amount of air blown in the first second of a forced exhalation) and airflow (maximal speed air is exhaled during a forced exhalation). Equipm...
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