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Long-term exposure to PM and all-cause and cause-specific mortality: A systematic review and meta-analysis.
The objective of this review is to support the derivation of updated guidelines by the World Health Organization (WHO) by performing a systematic review of evidence of associations between long-term exposure to particulate matter with diameter under 2.5 µm (PM2.5) and particulate matter with diameter under 10 µm (PM10), in relation to all-cause and cause-specific mortality. As there is especially uncertainty about the relationship at the low and high end of the exposure range, the review needed to provide an indication of the shape of the concentration-response function (CRF). We systematically searched MEDLINE and EMB...
Source: Environment International - July 19, 2020 Category: Environmental Health Authors: Chen J, Hoek G Tags: Environ Int Source Type: research

Spatiotemporal assessment of mortality attributable to ambient PM 2.5 exposure in Taiwan during 2008 –2015
In this study, we quantified the spatiotemporal burden of mortality attributable to ambient fine particulate matter (PM2.5, which is defined as a mass of particles with an aerodynamic dry diameter of ≤ 2.5 μm) in Taiwan during 2008–2015. Hourly concentrations of PM2.5 were obtained from the Taiwan Air Quality Monitoring Network. According to geographical and climatic characteristics, the Taiwan Environmental Protection Administration has divided Taiwan into seven air quality regions (AQRs): the North (four districts), Chu-Miao (two districts), Central (three districts), Yun-Chia-Nan (three districts), Kao-Ping (two...
Source: Air Quality, Atmosphere and Health - January 3, 2020 Category: Environmental Health Source Type: research

IJERPH, Vol. 15, Pages 602: Characterization of Fine Particulate Matter and Associated Health Burden in Nanjing
In this study, characteristics of particulate matter with an aerodynamic diameter less than 2.5 μm (PM2.5) over Nanjing were analyzed using hourly and daily averaged PM2.5 concentrations and meteorological parameters collected from nine national monitoring sites during the period of March 2014 to February 2017. Then, the integrated exposure-response (IER) model was applied to assess premature mortality, years of life lost (YLL) attributable to PM2.5, and mortality benefits due to PM2.5 reductions. The concentrations of PM2.5 varied among hours, seasons and years, which can be explained by differences in emission sources, ...
Source: International Journal of Environmental Research and Public Health - March 27, 2018 Category: Environmental Health Authors: Dongyang Nie Mindong Chen Yun Wu Xinlei Ge Jianlin Hu Kai Zhang Pengxiang Ge Tags: Article Source Type: research

Long-term trends and health impact of PM2.5 and O3 in Tehran, Iran, 2006-2015.
Abstract The main objectives of this study were (1) investigation of the temporal variations of ambient fine particulate matter (PM2.5) and ground level ozone (O3) concentrations in Tehran megacity, the capital and most populous city in Iran, over a 10-year period from 2006 to 2015, and (2) estimation of their long-term health effects including all-cause and cause-specific mortality. For the first goal, the data of PM2.5 and O3 concentrations, measured at 21 regulatory monitoring network stations in Tehran, were obtained and the temporal trends were investigated. The health impact assessment of PM2.5 and O3 was pe...
Source: Environment International - February 21, 2018 Category: Environmental Health Authors: Faridi S, Shamsipour M, Krzyzanowski M, Künzli N, Amini H, Azimi F, Malkawi M, Momeniha F, Gholampour A, Hassanvand MS, Naddafi K Tags: Environ Int Source Type: research

Long-term Fine Particulate Matter Exposure and Nonaccidental and Cause-specific Mortality in a Large National Cohort of Chinese Men
Conclusions: Long-term exposure to PM2.5 was associated with nonaccidental, CVD, lung cancer, and COPD mortality in China. The IER estimator may underestimate the excess relative risk of cause-specific mortality due to long-term exposure to PM2.5 over the exposure range experienced in China and other low- and middle-income countries. https://doi.org/10.1289/EHP1673 Received: 24 February 2017 Revised: 01 September 2017 Accepted: 05 September 2017 Published: 07 November 2017 Address correspondence to M. Zhou, National Center for Chronic Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control ...
Source: EHP Research - November 7, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

The Association of Arsenic Metabolism with Cancer, Cardiovascular Disease, and Diabetes: A Systematic Review of the Epidemiological Evidence
Conclusions: Population level of iAs% and DMA%, but not MMA%, were associated with arsenic exposure levels. Overall, study findings suggest that higher MMA% was associated with an increased risk of cancer and cardiovascular disease, while lower MMA% was associated with an increased risk of diabetes and metabolic syndrome. Additional population-based studies and experimental studies are needed to further evaluate and understand the role of arsenic exposure in arsenic metabolism and the role of arsenic metabolism in disease development. https://doi.org/10.1289/EHP577 Received: 01 June 2016 Revised: 26 February 2017 Acce...
Source: EHP Research - August 2, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

Health burden attributable to ambient PM2.5 in China.
Abstract In China, over 1.3 billion people have high health risks associated with exposure to ambient fine particulate matter (PM2.5) that exceeds the World Health Organization (WHO) Air Quality Guidelines (AQG). The PM2.5 mass concentrations from 1382 national air quality monitoring stations in 367 cities, between January 2014 and December 2016, were analyzed to estimate the health burden attributable to ambient PM2.5 across China. The integrated exposure-response model was applied to estimate the relative risks of disease-specific mortality. Disease-specific mortality baselines in province-level administrative u...
Source: Environmental Pollution - February 2, 2017 Category: Environmental Health Authors: Song C, He J, Wu L, Jin T, Chen X, Li R, Ren P, Zhang L, Mao H Tags: Environ Pollut Source Type: research

Cause-specific premature death from ambient PM2.5 exposure in India: Estimate adjusted for baseline mortality.
Abstract In India, more than a billion population is at risk of exposure to ambient fine particulate matter (PM2.5) concentration exceeding World Health Organization air quality guideline, posing a serious threat to health. Cause-specific premature death from ambient PM2.5 exposure is poorly known for India. Here we develop a non-linear power law (NLP) function to estimate the relative risk associated with ambient PM2.5 exposure using satellite-based PM2.5 concentration (2001-2010) that is bias-corrected against coincident direct measurements. We show that estimate of annual premature death in India is lower by 14...
Source: Environment International - April 13, 2016 Category: Environmental Health Authors: Chowdhury S, Dey S Tags: Environ Int Source Type: research

Environmental Pollution: An Under-recognized Threat to Children’s Health, Especially in Low- and Middle-Income Countries
Conclusions Patterns of disease are changing rapidly in LMICs. Pollution-related chronic diseases are becoming more common. This shift presents a particular problem for children, who are proportionately more heavily exposed than are adults to environmental pollutants and for whom these exposures are especially dangerous. Better quantification of environmental exposures and stepped-up efforts to understand how to prevent exposures that cause disease are needed in LMICs and around the globe. To confront the global problem of disease caused by pollution, improved programs of public health monitoring and environmental protecti...
Source: EHP Research - March 1, 2016 Category: Environmental Health Authors: Web Admin Tags: Brief Communication March 2016 Source Type: research