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International Journal of Environmental Health Research

Brian Buck, Kamalich Muniz-Rodriguez, Sarah Jillson, Li-Ting Huang, Atin Adhikari, Naduparambil Jacob, Yudan Wei, Jian Zhang
We longitudinally examined the relationship between pet ownership and risk of dying from cancer in a nationally representative cohort of 13,725 adults in the Third National Health and Nutrition Examination Survey, 1988-1994. The vital status was followed through 31 December 2010. Women who owned pets (any type) presented one-year shorter survival time (15.88 years) than non-pet owner (16.83 years). A larger difference of survival time was particularly seen in bird owners (13.01 years) compared to non-bird owners (16...
February 13, 2019: International Journal of Environmental Health Research
Azis Kemal Fauzie, G V Venkataramana
The relationship between air pollution exposure and haematology remains controversial. Evidences in the effect of trace organic air pollutants and in the impact of such exposure on lipid and protein levels are scarce. This work investigated the health effects of medium-term exposure to traffic-related air pollution on both haematological and biochemical indices in animal models. Two groups of albino mice (Mus musculus) were exposed to ambient air polluted by vehicle exhaust for three and six months, and one group was kept as control...
February 13, 2019: International Journal of Environmental Health Research
Hon K Yuen, Gavin R Jenkins
This study aimed to explore the amenable factors contributing to the improvement in subjective well-being (SWB) immediately after a short-term visit to an urban park in an uncontrolled condition. Ninety-four park visitors from three urban parks completed a short questionnaire evaluating SWB (with two components: affect and life satisfaction) immediately before and after their park visit. In addition, their level of physical activity was tracked by wearing an accelerometer during the park visit. Results indicated a significant improvement in SWB, affect, and life satisfaction scores of park visitor participants from before and after their visit...
February 13, 2019: International Journal of Environmental Health Research
Sayiter Yildiz, Asuman Cömert
This study investigated the disintegration of sewage sludge through the Fenton process. The study was conducted by both the conventional Fenton-type process (CFP) (Fe2+ /H2 O2 ) and the Fenton-type process (FTP) (nZVI/H2 O2 ). Experiments were performed using different pH, catalyst iron (Fe2+ and nZVI), and H2 O2 dosages. Different parameters such as the degree of disintegration (DD), soluble chemical oxygen demand (SCODS ), and particle size distribution were studied to investigate the effects of CFP and FTP processes on the disintegration of sludge...
February 13, 2019: International Journal of Environmental Health Research
Utkarsha Pathak, Naresh Chandra Gupta, Jagdish Chandra Suri
Chronic obstructive pulmonary disease (COPD) is one of the leading causes of mortality in developing nations. In this meta-analysis, we aimed to determine the association between indoor air pollution and risk of COPD. Database searches were conducted using indoor air pollution, biomass and COPD related terms to identify relevant articles. The eligible studies were case-control, retrospective cohort, cross-sectional studies and conducted in adults that assessed COPD using any diagnostic criteria. A total of 35 studies with 73,122 participants were included...
February 13, 2019: International Journal of Environmental Health Research
Akihiro Shimoda, Hana Hayashi, David Sussman, Keisuke Nansai, Isao Fukuba, Ichiro Kawachi, Naoki Kondo
One possible predictive factor that affects both pro-environmental behavior and health behavior is health consciousness (a psychological state where an individual is aware of and involved in his/her health condition). We examined the relationship between health consciousness and two pro-environmental behaviors (recycling and green purchasing) within health professionals in a Japanese large hospital. Multivariate linear regression analysis revealed a significant association between health consciousness and recycling behavior, while there was no association between health consciousness and green purchasing behavior...
February 8, 2019: International Journal of Environmental Health Research
Tanja Rejc, Andreja Kukec, Mirko Bizjak, Karmen GodičTorkar
The concentrations of microorganisms, aerosol black carbon and carbon dioxide (CO2 ) in indoor and outdoor air of two kindergartens were investigated during four seasons. The highest mean concentrations of aerobic mesophilic microorganisms in indoor air were detected in spring. Cladosporium, Penicillium and Aspergillus were the most common fungi in all air samples. The concentrations of Staphylococci, Enterobacteria and CO2 had a positive correlation with the number of persons in the rooms. The highest mean concentration of black carbon in indoor and outdoor air was obtained in winter...
February 8, 2019: International Journal of Environmental Health Research
Varalakshmi Raguraman, K Suthindhiran
Magnetite nanoparticles (MNPs) are gaining attention because of their biomedical, environmental and industrial applications. However, they have limited uses because of ecotoxicity. On contrast, bacterially synthesized MNPs such as magnetosomes are found to be biocompatible and less toxic due to the lipid bilayer membrane found around magnetite. In this context, this study compares the physio-chemical properties and toxicology effects of MNPs and magnetosomes in different models such as human red blood cells, macrophage cell lines (RAW 264...
February 4, 2019: International Journal of Environmental Health Research
Dongmei Yu, Li'e Zhang, Guoqi Yu, Chuntao Nong, Mingzhi Lei, Jiexia Tang, Quanhui Chen, Jiangsheng Cai, Shiyi Chen, Yi Wei, Xia Xu, Xu Tang, Yunfeng Zou, Jian Qin
Exposure to the heavy metal cadmium has adverse effects on human health, including DNA methylation. This study aimed to investigate the effects of cadmium on liver and kidney functions and Klotho gene methylation and to explore the relationship of methylation level with indicators of liver and kidney functions. Graphite furnace atomic absorption spectrometry was conducted to determine urinary cadmium, and an automatic biochemical analyzer was used to detect indices of liver and kidney functions. PCR pyrosequencing was performed to detect the methylation rate of Klotho...
February 4, 2019: International Journal of Environmental Health Research
Michael Osei Asibey, Owusu Amponsah, Vivian Yeboah
The study the nature of activities and assess knowledge on occupational safety and health (OS&H) risks and practices among solid waste collectors in two low-income informal in Kumasi (Aboabo and Asawase). Using observations and semi-structured interviews with 83 participants and relevant institutions, the findings indicate that informal tricycle waste collectors provided spot-to-spot waste collection using improvised sirens to signal their arrival. Workers generally had low knowledge, expressed less about occupational health risks, and thus adopted less safe work practices...
February 4, 2019: International Journal of Environmental Health Research
Behnam Abbasnejad, Behnam Keshavarzi, Zargham Mohammadi, Farid Moore, Ahmad Abbasnejad
In this study, the concentrations of street dust-bound polycyclic aromatic hydrocarbons (PAHs) in Kerman metropolis as a typical arid urban area were determined to investigate the contamination, molecular composition, toxicity, and sources of PAHs. Sixteen individual PAHs on the United States Environmental Protection Agency priority list were analyzed using gas chromatography-mass spectrometry in street dust samples from 30 sites. ∑PAHs ranged between 165 and 5314.7 µg·kg-1 with a mean of 770.8 µg·kg-1 ...
February 4, 2019: International Journal of Environmental Health Research
Sven Schneider, Anca Bolbos, Philipp Kadel, Bärbel Holzwarth
For children, playgrounds represent a central place for physical activity and social interaction. However, at the playground, children are often exposed to sunlight. It is therefore surprising that sun exposure and shade levels at children's playgrounds have, to date, received very little attention internationally. The 'PlaSMa' study presented here addresses this gap in the research, analyzing the percentage of shaded areas compared with the total playground area and the main play area for children in 144 playgrounds in the German city of Mannheim...
January 30, 2019: International Journal of Environmental Health Research
Minsung Sohn, Honghyok Kim, Hyoju Sung, Younsue Lee, Hongjo Choi, Haejoo Chung
The objective of this study was to identify the association between social deprivation, outdoor air pollution, and tuberculosis (TB) incidence rate or mortality rate. The study sample comprised 25 districts in Seoul, Korea. We used two public data derived from the Community Health Survey and Seoul Statistics. The geographic information system analysis and random effects Poisson regression were applied to explore the association of social deprivation and air pollution with TB incidence and mortality. An 1 ppb increase in sulfur dioxide (SO2 ) concentration was significantly associated with the risk of TB incidence (risk ratio [RR] = 1...
January 30, 2019: International Journal of Environmental Health Research
Jahidur Rahman Khan, K Shuvo Bakar
This study seeks to identify the spatial risk pattern of households (HHs) exposed to arsenic contamination in Bangladesh by adjusting potential socio-economic, demographic factors. Data from Bangladesh Multiple Indicator Cluster Survey 2012-13 are used where hierarchical Bayesian spatial ordered logit model is implemented. The analysis shows that 25% of HH water samples were arsenic contaminated, although the majority (95%) of HHs used improved water sources. Arsenic contamination risk in the HH water was significantly associated with water source type and location, place of residence and districts...
January 29, 2019: International Journal of Environmental Health Research
Abraham Geremew, Bezatu Mengistie, Jonathan Mellor, Daniele Susan Lantagne, Esayas Alemayehu, Geremew Sahilu
A consistent and correct use of water treatment options is fundamental for health gain from point-of-use water chlorination. In Ethiopia, empirical evidence about the consistent use and preference for by end users is scarce. The current study is intended to explore these issues using Waterguard and Bishan Gari in Kersa Health and Demographic Surveillance Site, Eastern Ethiopia. Data were collected every 2 week for 4 months and analyzed using mixed effects logistic regression. Of 377 households, 31% consistently used Waterguard and Bishan Gari in all the study waves...
January 29, 2019: International Journal of Environmental Health Research
Huguette Turgeon O'Brien, Doris Gagné, Julie Lauzière, Rosanne Blanchet, Carole Vézina, Pierre Ayotte
In this study, we report the temporal trends of persistent organic pollutants (POPs) in 181 preschool Inuit children from Nunavik and the influence of confounding factors on blood contaminant levels. From 2006 to 2010, no significant trends were detected in Σpolychlorinated biphenyls (ΣPCBs), Σorganochlorine pesticides (ΣOPs), Σtoxaphene, and Σper- and polyfluoroalkyl substances (ΣPFASs). On the contrary, significant downward trends ranging from 9.3% to 14.3% per year were found for polybrominated diphenyl ethers (PBDEs)...
January 14, 2019: International Journal of Environmental Health Research
Masayuki Ohyama, Takae Nakajima, Chika Minejima, Kenichi Azuma, Kenji Oka, Yasuyuki Itano, Shouichiro Kudo, Norimichi Takenaka
The association between nitrogen dioxide (NO2 ) and asthma has been investigated. However, conventional NO2 assays measure nitrous acid (HONO) as NO2 . In this pilot epidemiological observational study, we assessed exposure to indoor HONO and some air pollutants in pediatric asthma patients and examined possible association between exposure and asthma symptoms. Indoor HONO and nitric oxide (NO), which are primarily generated by the combustion of certain substances, were significantly associated with asthma attacks in 2010...
December 25, 2018: International Journal of Environmental Health Research
Xiao Lin, Yu Liao, Yuantao Hao
Particulate matter pollution has become a widely-concerned issue in public health and led to a substantial loss of health. The study reports relationship between particulate matter with aerodynamic diameter <2.5 µm (PM2.5 ) and years of life lost (YLL) in Guangzhou. A retrospective burden analysis on annual mean PM2.5 data was conducted. Data on annual mortality were collected for 2009, from the Health Department of Guangzhou. Data on particulate matter were collected for period 2006-2009. Comparative risk assessment and exposure-response function were used to estimate attributable YLL...
December 21, 2018: International Journal of Environmental Health Research
Junhui Wang, Honglin Wang, Guijie Luan, Dongfeng Zhang
Limited studies have explored the association between ambient temperature and the disease burden of pesticide poisoning. Our study aims to estimate associations between daily mean temperature and pesticide poisoning incidence with lag effect. A distributed lag nonlinear model with Poisson distribution was used to examine the nonlinear lagged effects of ambient temperature on pesticide poisoning incidence. Overall, the estimated effects of temperature on pesticide poisoning incidence were non-linear, with higher relative risks (RRs) at hotter temperatures...
December 20, 2018: International Journal of Environmental Health Research
Mohamad Fawzi Mahomoodally, Gokhan Zengin, Mustafa Onur Aladag, Haluk Ozparlak, Alina Diuzheva, József Jekő, Zoltán Cziáky, Muhammad Zakariyyah Aumeeruddy
This study investigated into the phytochemical profile and biological properties of extracts (methanol and aqueous) of Origanum onites based on the antioxidant, enzyme inhibitory, and antibacterial activities. The aqueous extract exhibited higher antioxidant activities in the 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2'-azino-bis(3-ethylbenzothiazoline)-6-sulfonic acid (ABTS), ferric reducing antioxidant power, cupric reducing antioxidant capacity, phosphomolybdenum, and metal chelating assays, compared to the methanol extract...
December 20, 2018: International Journal of Environmental Health Research
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