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Air pollutant

Rocío Carmona, Cristina Linares, Cristina Ortiz, Blanca Vázquez, Julio Díaz
BACKGROUND: Although the effects of noise on population morbidity and mortality have been observed both in the short and long term, the morbidity and mortality indicators used to date have not enabled information on such health effects to be accessed in real time. At an international level, there are relatively few studies, mostly recent, which have considered an alternative indicator, such as the demand for medical attention provided by emergency services, taking into account environmental factors other than noise...
October 19, 2016: Environmental Research
N Lomtatidze, G Dumbadze, M Chkhaidze, R Khakhnelidze
This paper presents statistical data of 2012-2015 on the diseases caused by the atmospheric air and water pollutions in Ajara region. The research on the content of dust, sulfur dioxide and nitrogen dioxide as well as carbon monoxide in the atmospheric air was held together with the National Environment Agency Ajara Monitoring Service. The results of the research have shown that the average content of the dust reached its maximum in 2012 (0.60 mg/m3) and it dropped to the minimum in 2015 (0.441 mg/m3). As for average content of carbon monoxide the maximum was observed in 2013 (3...
September 2016: Georgian Medical News
Meng Qi, Xi Zhu, Wei Du, Yilin Chen, Yuanchen Chen, Tianbo Huang, Xuelian Pan, Qirui Zhong, Xu Sun, Eddy Y Zeng, Baoshan Xing, Shu Tao
Because people spend most of their time indoors, the characterization of indoor air quality is important for exposure assessment. Unfortunately, indoor air data are scarce, leading to a major data gap in risk assessment. In this study, PM2.5 concentrations in both indoor and outdoor air were simultaneously measured using on-line particulate counters in 13 households in Haidian, Beijing for both heating and non-heating seasons. A bimodal distribution of PM2.5 concentrations suggests rapid transitions between polluted and non-polluted situations...
October 18, 2016: Environmental Pollution
Qiang Zeng, Yang Ni, Guohong Jiang, Guoxing Li, Xiaochuan Pan
Years of life lost (YLL) is a more informative and accurate indicator than daily death counts for assessing air pollution related premature death. However, there is limited evidence available about the relationship of air pollution with YLL, especially in China. We conducted a ten-year (from January 1st, 2001 to December 31st, 2010) multi-district time-series study to estimate the effects of ambient particulate matter with an aerodynamic diameter of less than 10 μm in size (PM10) on daily non-accidental deaths and YLL in six districts of Tianjin, China...
October 18, 2016: Environmental Pollution
Nina Holland
Environmental research and public health in the 21st century face serious challenges such as increased air pollution and global warming, widespread use of potentially harmful chemicals including pesticides, plasticizers, and other endocrine disruptors, and radical changes in nutrition and lifestyle typical of modern societies. In particular, exposure to environmental and occupational toxicants may contribute to the occurrence of adverse birth outcomes, neurodevelopmental deficits, and increased risk of cancer and other multifactorial diseases such as diabetes and asthma...
October 21, 2016: Reviews on Environmental Health
Surya Narayan Pradhan, Aleena Das, Ramovatar Meena, Ranjan Kumar Nanda, Paulraj Rajamani
Occupational exposure to air pollution induces oxidative stress and prolonged exposure increases susceptibility to cardiovascular and respiratory diseases in several working groups. Biofluid of these subjects may reflect perturbed metabolic phenotypes. In this study we carried out a comparative molecular profiling study using parallel biofluids collected from subjects (n = 85) belonging to auto rickshaw drivers (ARD), traffic cops (TC) and office workers (OW). Higher levels of oxidative stress and inflammation markers in serum of ARD subjects were observed as compared to OW and TC...
October 21, 2016: Scientific Reports
Natalia Lifshitz, Colleen Cassady St Clair
Growth in human populations causes habitat degradation for other species, which is usually gauged by physical changes to landscapes. Corresponding habitat degradation to air and water is also common, but its effects on individuals can be difficult to detect until they result in the decline or disappearance of populations. More proactive measures of pollution usually combine abiotic samples of soil, water or air with invasive sampling of expendable species, but this approach sometimes creates ethical dilemmas and has limited application for threatened species...
2016: Conservation Physiology
Frank J Kelly
No abstract text is available yet for this article.
October 20, 2016: BMJ: British Medical Journal
Marta Crous-Bou, Laura B Harrington, Christopher Kabrhel
Venous thromboembolism (VTE) includes deep vein thrombosis and pulmonary embolism, and a combination of environmental and genetic risk factors contributes to VTE risk. Within environmental risk factors, some are provoking (e.g., cancer, surgery, trauma or fracture, immobilization, pregnancy and the postpartum period, long-distance travel, hospitalization, catheterization, and acute infection) and others are nonprovoking (e.g., age, sex, race/ethnicity, body mass index and obesity, oral contraceptive or hormone therapy use, corticosteroid use, statin use, diet, physical activity, sedentary time, and air pollution)...
October 20, 2016: Seminars in Thrombosis and Hemostasis
Jefferson Luis Vieira, Francisco Yuri Macedo, Alexandre Miguel Benjo, Guilherme V Guimarães, Johanna Paola Contreras, Edimar A Bocchi
INTRODUCTION: Ambient air pollution is associated with adverse cardiovascular events. This meta-analysis aimed to investigate the short-term association between air pollution and cardiovascular effects on healthy volunteers. METHODS: We searched databases to identify randomized trials with controlled human exposures to either of two models for studying ambient particulate matter: diesel-exhaust or concentrated ambient particles. Estimates of size effect were performed using standardized mean difference (SMD)...
October 20, 2016: Annals of Medicine
John L Semple, G W Kent Moore, Petros Koutrakis, Jack M Wolfson, Paolo Cristofanelli, Paolo Bonasoni
: Semple, John L., G.W. Kent Moore, Petros Koutrakis, Jack M. Wolfson, Paolo Cristofanelli, and Paolo Bonasoni. High concentrations of ozone air pollution on Mount Everest: health implications for Sherpa communities and mountaineers. High Alt Med Biol. 00:000-000, 2016.-Introduction: Populations in remote mountain regions are increasingly vulnerable to multiple climate mechanisms that influence levels of air pollution. Few studies have reported on climate-sensitive health outcomes unique to high altitude ecosystems...
October 20, 2016: High Altitude Medicine & Biology
Katharina Bastl, Markus Berger, Karl-Christian Bergmann, Maximilian Kmenta, Uwe Berger
Pollen information as such is highly valuable and was considered so far as a self-evident good free for the public. The foundation for reliable and serious pollen information is the careful, scientific evaluation of pollen content in the air. However, it is essential to state and define now the requirements for pollen data and qualifications needed for institutions working with pollen data in the light of technical developments such as automated pollen counting and various political interests in aerobiology including attempts to finally acknowledge pollen and spores as relevant biological particles in the air worth being considered for pollution and health directives...
October 19, 2016: Wiener Klinische Wochenschrift
Thiago Hérick Sá, Ana Clara Duran, Marko Tainio, Carlos Augusto Monteiro, James Woodcock
The purpose of the study was to describe cyclists and cycling trips, and to explore correlates, time trends and health consequences of cycling in São Paulo, Brazil from 1997 to 2012. Cross-sectional analysis using repeated São Paulo Household Travel Surveys (HTS). At all time periods cycling was a minority travel mode in São Paulo (1174 people with cycling trips out of 214,719 people). Poisson regressions for individual correlates were estimated using the entire 2012 HTS sample. Men were six times more likely to cycle than women...
December 2016: Preventive Medicine Reports
Chad Rittle
Occupational health nurses are familiar with environmental exposures workers encounter in their workplaces. However, employees are only "on-the-job" about one third of each workday, with a multitude of potential exposures in other environments that can affect their health. This article addresses some of the major exposures employees encounter outside the workplace-air, water, and soil pollution, and hazardous wastes-including a discussion of several well-known national and international environmental incidents...
October 19, 2016: Workplace Health & Safety
Shailaja Tetali, P Edwards, G V S Murthy I Roberts
BACKGROUND: Millions of children travel to school every day in India, yet little is known about this journey. We examined the distribution and determinants of school travel in Hyderabad, India. METHODS: We conducted a cross-sectional survey using a two-stage stratified cluster sampling design. School travel questionnaires were used to collect data from children aged 11-14 years, attending private, semi-private and government funded schools in Hyderabad. We used Google Earth to estimate the distance from home to school for each child and modelled the relationship between distance to school and mode of travel, adjusting for confounders...
October 19, 2016: BMC Public Health
Joong Kon Park, Mazhar Ul-Islam, Muhammad Wajid Ullah, Shaukat Khan, Tahseen Kamal, Salman Ul-Islam, Nasrullah Shah
BACKGROUND: Cellulose being the most abundant polymer has been widely utilized in multiple applications. Its impressive nanofibril arrangement has provoked its applications in numerous fields. Recent trends have been shifted to produce composites of nanocellulose for numerous applications among which the most important ones are its use in medical and environmental prospective. This review has basically focused the development of nanocellulose composites and its applications in resolving environmental hazards...
October 18, 2016: Recent Patents on Nanotechnology
Rebecca DeVries, David Kriebel, Susan Sama
BACKGROUND: Exacerbations of chronic obstructive pulmonary disease (COPD) contribute greatly to increased morbidity, mortality and diminished quality of life. Recent studies report moderately strong positive associations between exposures to several air pollutants and COPD-related emergency department (ED) visits and hospital admissions (HA). Studies that use clinically defined exacerbations rather than counting ED visits and HA may be more sensitive to environmental triggers like air pollution, but very few such studies exist...
October 18, 2016: Environmental Health: a Global Access Science Source
Santosh Gaihre, Janet Kyle, Sean Semple, Jo Smith, Madhu Subedi, Debbi Marais
BACKGROUND: Although linkages have been found between agricultural interventions and nutritional health, and the development of clean fuels and improved solid fuel stoves in reducing household air pollution and adverse health effects, the extent of the potential of combined household interventions to improve health, nutrition and the environment has not been investigated. A systematic review was conducted to identify the extent and type of community-based agricultural and household interventions aimed at improving food security, health and the household environment in low and middle income countries...
October 18, 2016: BMC Public Health
Lisbeth E Knudsen, Zorana J Andersen, Radim J Sram, Markéta Braun Kohlová, Eugen S Gurzau, Aleksandra Fucic, Laura Gribaldo, Pavel Rossner, Andrea Rossnerova, Vojtěch Máca, Iva Zvěřinová, Dagmar Gajdosova, Hanns Moshammer, Peter Rudnai, Milan Ščasný
In 2013-2015, a consortium of European scientists - NEWDANUBE - was established to prepare a birth cohort in the Danube region, including most of the countries with the highest air pollution in Europe, the area being one-fifth of the European Union's (EU's) territory, including 14 countries (nine EU member states), over 100 million inhabitants, with numerous challenges: big socioeconomic disparities, and a region-specific environmental pollution. The consortium reflects the EU Strategy for the Danube Region Strategy (2010), which identified 11 thematic Priority Areas - one of which is the environmental risks...
October 18, 2016: Reviews on Environmental Health
Daniela Pelclova, Vladimir Zdimal, Petr Kacer, Martin Komarc, Zdenka Fenclova, Stepanka Vlckova, Nadezda Zikova, Jaroslav Schwarz, Otakar Makes, Tomas Navratil, Sergey Zakharov, Dhimiter Bello
Nanoscale titanium dioxide (nanoTiO2) is a commercially important nanomaterial used in numerous applications. Experimental studies with nanotitania have documented lung injury and inflammation, oxidative stress, and genotoxicity. Production workers in TiO2 manufacturing with a high proportion of nanoparticles and a mixture of other air pollutants, such as gases and organic aerosols, had increased markers of oxidative stress, including DNA and protein damage, as well as lipid peroxidation in their exhaled breath condensate (EBC) compared to unexposed controls...
October 18, 2016: Reviews on Environmental Health
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