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Environment International

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https://www.readbyqxmd.com/read/28941415/manganese-in-teeth-and-neurobehavior-sex-specific-windows-of-susceptibility
#1
Julia Anglen Bauer, Birgit Claus Henn, Christine Austin, Silvia Zoni, Chiara Fedrighi, Giuseppa Cagna, Donatella Placidi, Roberta F White, Qiong Yang, Brent A Coull, Donald Smith, Roberto G Lucchini, Robert O Wright, Manish Arora
BACKGROUND: Manganese (Mn) is an essential element required for growth and development, but higher body burdens have been associated with neurobehavioral decrements in children. OBJECTIVES: We examined whether prenatal or postnatal Mn measured in deciduous teeth was associated with scores on a test of visuospatial learning and memory. METHODS: Deciduous teeth were collected from 142 participants (ages 10-14years) residing near varied ferro‑manganese industry in Italy...
September 20, 2017: Environment International
https://www.readbyqxmd.com/read/28941391/chlorinated-paraffins-leaking-from-hand-blenders-can-lead-to-significant-human-exposures
#2
Bo Yuan, Anna Strid, Per Ola Darnerud, Cynthia A de Wit, Jessica Nyström, Åke Bergman
BACKGROUND: Chlorinated paraffins (CPs, polychlorinated n-alkanes) are versatile, high-production-volume chemicals. A previous study indicated that hand blenders leak CPs into prepared food. OBJECTIVES: (1) to estimate exposure to CPs from hand blender use compared to background CP exposure from diet; (2) to assess the risk from human dietary exposure to CPs from hand blender use; (3) to investigate how hand blenders leak out CPs. METHODS: CPs were analyzed in food market baskets, in cooking oil/water samples (1g oil/100mL water) mixed using 16 different hand blenders, and in dismantled components of the hand blenders...
September 20, 2017: Environment International
https://www.readbyqxmd.com/read/28938101/exposure-to-particulate-matter-air-pollution-and-risk-of-multiple-sclerosis-in-two-large-cohorts-of-us-nurses
#3
N Palacios, K L Munger, K C Fitzgerald, J E Hart, T Chitnis, A Ascherio, F Laden
BACKGROUND: Air pollution is thought to raise the risk of neurological disease by promoting neuroinflammation, oxidative stress, glial activation and cerebrovascular damage. Multiple Sclerosis is a common auto-immune disorder, primarily affecting young women. We conducted, to a large prospective study of particulate matter (PM) exposure and multiple sclerosis (MS) risk in two prospective cohorts of women: the Nurses Health Study (NHS) and the Nurses Health Study II (NHS II). METHODS: Cumulative average exposure to different size fractions of PM up to the onset of MS was estimated using spatio-temporal models...
September 19, 2017: Environment International
https://www.readbyqxmd.com/read/28938100/exposure-to-phthalates-in-patients-with-diabetes-and-its-association-with-oxidative-stress-adiponectin-and-inflammatory-cytokines
#4
Yishuang Duan, Lei Wang, Liping Han, Bin Wang, Hongwen Sun, Liming Chen, Lingyan Zhu, Yi Luo
Epidemiologic studies have revealed higher concentrations of the metabolites of phthalic acid esters (mPAEs) in patients with type 2 diabetes. On the other hand, oxidative stress, adiponectin, and inflammatory cytokines play important roles in the pathogenesis of diabetes and its complications. However, little information is known about the association between exposure to PAEs and these physiological parameters. Hence, paired urine and blood samples were collected from a total of 329 volunteers, and 11 main mPAEs and malondialdehyde (MDA), as a biomarker of oxidative stress, were measured in the urine samples...
September 19, 2017: Environment International
https://www.readbyqxmd.com/read/28934628/the-heat-exposure-integrated-deprivation-index-heidi-a-data-driven-approach-to-quantifying-neighborhood-risk-during-extreme-hot-weather
#5
Nikolas Krstic, Weiran Yuchi, Hung Chak Ho, Blake B Walker, Anders J Knudby, Sarah B Henderson
Mortality attributable to extreme hot weather is a growing concern in many urban environments, and spatial heat vulnerability indexes are often used to identify areas at relatively higher and lower risk. Three indexes were developed for greater Vancouver, Canada using a pool of 20 potentially predictive variables categorized to reflect social vulnerability, population density, temperature exposure, and urban form. One variable was chosen from each category: an existing deprivation index, senior population density, apparent temperature, and road density, respectively...
September 18, 2017: Environment International
https://www.readbyqxmd.com/read/28926750/land-cover-and-air-pollution-are-associated-with-asthma-hospitalisations-a-cross-sectional-study
#6
Ian Alcock, Mathew White, Mark Cherrie, Benedict Wheeler, Jonathon Taylor, Rachel McInnes, Eveline Otte Im Kampe, Sotiris Vardoulakis, Christophe Sarran, Ireneous Soyiri, Lora Fleming
BACKGROUND: There is increasing policy interest in the potential for vegetation in urban areas to mitigate harmful effects of air pollution on respiratory health. We aimed to quantify relationships between tree and green space density and asthma-related hospitalisations, and explore how these varied with exposure to background air pollution concentrations. METHODS: Population standardised asthma hospitalisation rates (1997-2012) for 26,455 urban residential areas of England were merged with area-level data on vegetation and background air pollutant concentrations...
September 16, 2017: Environment International
https://www.readbyqxmd.com/read/28923461/blood-levels-of-toxic-metals-and-rare-earth-elements-commonly-found-in-e-waste-may-exert-subtle-effects-on-hemoglobin-concentration-in-sub-saharan-immigrants
#7
Luis Alberto Henríquez-Hernández, Luis D Boada, Cristina Carranza, José Luis Pérez-Arellano, Ana González-Antuña, María Camacho, Maira Almeida-González, Manuel Zumbado, Octavio P Luzardo
Pollution by heavy metals and more recently by rare earth elements (REE) and other minor elements (ME) has increased due in part to their high use in technological and electronic devices. This contamination can become very relevant in those sites where e-waste is improperly processed, as it is the case in many countries of the African continent. Exposure to some toxic elements has been associated to certain hematological disorders, specifically anemia. In this study, the concentrations of 48 elements (including REE and other ME) were determined by ICP-MS in whole blood samples of sub-Saharan immigrants with anemia (n=63) and without anemia (n=78)...
September 15, 2017: Environment International
https://www.readbyqxmd.com/read/28923460/the-mortality-burden-of-hourly-temperature-variability-in-five-capital-cities-australia-time-series-and-meta-regression-analysis
#8
Jian Cheng, Zhiwei Xu, Hilary Bambrick, Hong Su, Shilu Tong, Wenbiao Hu
BACKGROUND: Unstable weather, such as intra- and inter-day temperature variability, can impair the health and shorten the survival time of population around the world. Climate change will cause Earth's surface temperature rise, but has unclear effects on temperature variability, making it urgent to understand the characteristics of the burden of temperature variability on mortality, regionally and nationally. OBJECTIVES: This paper aims to quantify the mortality risk of exposure to short-term temperature variability, estimate the resulting death toll and explore how the strength of temperature variability effects will vary as a function of city-level characteristics...
September 15, 2017: Environment International
https://www.readbyqxmd.com/read/28918369/the-development-of-biodiversity-conservation-measures-in-china-s-hydro-projects-a-review
#9
REVIEW
Ruiqiao Bai, Xuehua Liu, Xiaofei Liu, Lanmei Liu, Jianping Wang, Sihui Liao, Annah Zhu, Zhouyuan Li
The hydropower capacity of China ranks first in the world and accounts for approximately 20% of the total energy production in the country. While hydropower has substantially contributed to meeting China's renewable energy targets and providing clean energy to rural areas, the development of hydropower in China has been met with significant controversy. Ecologically, hydro projects alter the landscape, with potential impacts to the country's aquatic biodiversity. Over the past four decades in China, various mainstream opinions and misunderstandings have been presented concerning how to alleviate the negative impacts of hydro projects on aquatic ecosystems...
September 14, 2017: Environment International
https://www.readbyqxmd.com/read/28917208/prenatal-exposure-to-perfluoroalkyl-substances-and-birth-outcomes-in-a-spanish-birth-cohort
#10
Cyntia B Manzano-Salgado, Maribel Casas, Maria-Jose Lopez-Espinosa, Ferran Ballester, Carmen Iñiguez, David Martinez, Olga Costa, Loreto Santa-Marina, Eva Pereda-Pereda, Thomas Schettgen, Jordi Sunyer, Martine Vrijheid
BACKGROUND: Prenatal perfluorooctanoate (PFOA) exposure has been associated with reduced birth weight but maternal glomerular filtration rate (GFR) may attenuate this association. Further, this association remains unclear for other perfluoroalkyl substances (PFAS), such as perfluorooctane sulfonate (PFOS), perfluorohexane sulfonate (PFHxS), and perfluorononanoate (PFNA). We estimated associations between prenatal PFAS exposure and birth outcomes, and the influence of GFR, in a Spanish birth cohort...
September 13, 2017: Environment International
https://www.readbyqxmd.com/read/28917207/exposure-to-ambient-air-pollution-and-the-incidence-of-dementia-a-population-based-cohort-study
#11
Hong Chen, Jeffrey C Kwong, Ray Copes, Perry Hystad, Aaron van Donkelaar, Karen Tu, Jeffrey R Brook, Mark S Goldberg, Randall V Martin, Brian J Murray, Andrew S Wilton, Alexander Kopp, Richard T Burnett
INTRODUCTION: Emerging studies have implicated air pollution in the neurodegenerative processes. Less is known about the influence of air pollution, especially at the relatively low levels, on developing dementia. We conducted a population-based cohort study in Ontario, Canada, where the concentrations of pollutants are among the lowest in the world, to assess whether air pollution exposure is associated with incident dementia. METHODS: The study population comprised all Ontario residents who, on 1 April 2001, were 55-85years old, Canadian-born, and free of physician-diagnosed dementia (~2...
September 13, 2017: Environment International
https://www.readbyqxmd.com/read/28917129/residential-road-traffic-noise-and-general-mental-health-in-youth-the-role-of-noise-annoyance-neighborhood-restorative-quality-physical-activity-and-social-cohesion-as-potential-mediators
#12
Angel Dzhambov, Boris Tilov, Iana Markevych, Donka Dimitrova
Given the ubiquitous nature of both noise pollution and mental disorders, their alleged association has not escaped the spotlight of public health research. The effect of traffic noise on mental health is probably mediated by other factors, which have not been elucidated sufficiently. Herein, we aimed to disentangle the pathways linking road traffic noise to general mental health in Bulgarian youth, with a focus on several candidate mediators - noise annoyance, perceived restorative quality of the living environment, physical activity, and neighborhood social cohesion...
September 13, 2017: Environment International
https://www.readbyqxmd.com/read/28916132/the-association-between-elevated-blood-lead-levels-and-violent-behavior-during-late-adolescence-the-south-african-birth-to-twenty-plus-cohort
#13
Palesa Nkomo, Angela Mathee, Nisha Naicker, Jacky Galpin, Linda M Richter, Shane A Norris
Epidemiological studies have shown the adverse neuro-behavioral health effects of lead exposure among children, in particular. However, there is lack evidence in this regard from developing countries. The main aim of this study was to assess the association between blood lead levels (BLLs) during early adolescence and violent behavior in late adolescence. Our study sample from the Birth to Twenty Plus cohort in Soweto-Johannesburg, South Africa included 1332 study participants (684 females). BLLs were measured using blood samples collected at age 13years...
September 12, 2017: Environment International
https://www.readbyqxmd.com/read/28898809/occurrence-of-nitro-and-oxy-pahs-in-agricultural-soils-in-eastern-china-and-excess-lifetime-cancer-risks-from-human-exposure-through-soil-ingestion
#14
Zhe Sun, Ying Zhu, Shaojie Zhuo, Weiping Liu, Eddy Y Zeng, Xilong Wang, Baoshan Xing, Shu Tao
The quality of agricultural soil is vital to human health, however soil contamination is a severe problem in China. Polycyclic aromatic hydrocarbons (PAHs) have been found to be among the major soil contaminants in China. PAH derivatives could be more toxic but their measurements in soils are extremely limited. This study reports levels, spatial distributions and compositions of 11 nitrated (nPAHs) and 4 oxygenated PAHs (oPAHs) in agricultural soils covering 26 provinces in eastern China to fill the data gap...
September 9, 2017: Environment International
https://www.readbyqxmd.com/read/28892786/gestational-diabetes-mellitus-and-exposure-to-ambient-air-pollution-and-road-traffic-noise-a-cohort-study
#15
Marie Pedersen, Sjurdur F Olsen, Thorhallur I Halldorsson, Cuilin Zhang, Dorrit Hjortebjerg, Matthias Ketzel, Charlotta Grandström, Mette Sørensen, Peter Damm, Jens Langhoff-Roos, Ole Raaschou-Nielsen
BACKGROUND: Road traffic is a main source of air pollution and noise. Both exposures have been associated with type 2 diabetes, but associations with gestational diabetes mellitus (GDM) have been studied less. OBJECTIVES: We aimed to examine single and joint associations of exposure to air pollution and road traffic noise on GDM in a prospective cohort. METHODS: We identified GDM cases from self-reports and hospital records, using two different criteria, among 72,745 singleton pregnancies (1997-2002) from the Danish National Birth Cohort...
September 8, 2017: Environment International
https://www.readbyqxmd.com/read/28890219/use-of-monte-carlo-analysis-in-a-risk-based-prioritization-of-toxic-constituents-in-house-dust
#16
Gary L Ginsberg, Giuliana Belleggia
Many chemicals have been detected in house dust with exposures to the general public and particularly young children of potential health concern. House dust is also an indicator of chemicals present in consumer products and the built environment that may constitute a health risk. The current analysis compiles a database of recent house dust concentrations from the United States and Canada, focusing upon semi-volatile constituents. Seven constituents from the phthalate and flame retardant categories were selected for risk-based screening and prioritization: diethylhexyl phthalate (DEHP), butyl benzyl phthalate (BBzP), diisononyl phthalate (DINP), a pentabrominated diphenyl ether congener (BDE-99), hexabromocyclododecane (HBCDD), tris(1,3-dichloro-2-propyl) phosphate (TDCIPP) and tris(2-chloroethyl) phosphate (TCEP)...
September 7, 2017: Environment International
https://www.readbyqxmd.com/read/28890218/serum-perfluoroalkyl-substances-and-cardiometabolic-consequences-in-adolescents-exposed-to-the-world-trade-center-disaster-and-a-matched-comparison-group
#17
Tony T Koshy, Teresa M Attina, Akhgar Ghassabian, Joseph Gilbert, Lauren K Burdine, Michael Marmor, Masato Honda, Dinh Binh Chu, Xiaoxia Han, Yongzhao Shao, Kurunthachalam Kannan, Elaine M Urbina, Leonardo Trasande
BACKGROUND: Large amounts of various chemical contaminants, including perfluoroalkyl substances (PFASs), were released at the time of the World Trade Center (WTC) disaster. Thousands of children who lived and/or attended school near the disaster site were exposed to these substances but few studies have examined the possible consequences related to these exposures. OBJECTIVES: To examine the relationship of PFASs serum levels with cardiometabolic profile in children and adolescents enrolled in the World Trade Center Health Registry (WTCHR) and a matched comparison group...
September 7, 2017: Environment International
https://www.readbyqxmd.com/read/28889029/veterinary-antibiotics-in-food-drinking-water-and-the-urine-of-preschool-children-in-hong-kong
#18
Na Li, Keith W K Ho, Guang-Guo Ying, Wen-Jing Deng
Due to the harmful effects of veterinary antibiotics (VAs) residues in food on children's health, urine samples from 31 preschool and primary school children were analyzed for 13 common VAs. Samples of raw and cooked pork, chicken, fish, milk and drinking water from the children's living areas were also analyzed for residual VAs. Urinalysis revealed one to four target antibiotics in 77.4% of the sample group, with concentrations as high as 0.36ng/mL. Norfloxacin and penicillin had the highest detection rates (48...
September 7, 2017: Environment International
https://www.readbyqxmd.com/read/28886417/is-long-term-particulate-matter-and-nitrogen-dioxide-air-pollution-associated-with-incident-monoclonal-gammopathy-of-undetermined-significance-mgus-an-analysis-of-the-heinz-nixdorf-recall-study
#19
Ester Orban, Marina Arendt, Frauke Hennig, Sarah Lucht, Lewin Eisele, Hermann Jakobs, Jan Dürig, Barbara Hoffmann, Karl-Heinz Jöckel, Susanne Moebus
BACKGROUND: Exposure to air pollution activates the innate immune system and influences the adaptive immune system in experimental settings. We investigated the association of residential long-term exposure to particulate matter (PM) and NO2 air pollution with monoclonal gammopathy of undetermined significance (MGUS) as a marker of adaptive immune system activation. METHODS: We used data from the baseline (2000-2003), 5-year (2006-2008) and 10-year (2011-2015) follow-up examinations of the German Heinz Nixdorf Recall cohort study of 4814 participants (45-75years)...
September 5, 2017: Environment International
https://www.readbyqxmd.com/read/28886416/long-term-exposure-to-particulate-matter-no2-and-the-oxidative-potential-of-particulates-and-diabetes-prevalence-in-a-large-national-health-survey
#20
Maciej Strak, Nicole Janssen, Rob Beelen, Oliver Schmitz, Ilonca Vaartjes, Derek Karssenberg, Carolien van den Brink, Michiel L Bots, Martin Dijst, Bert Brunekreef, Gerard Hoek
BACKGROUND: The evidence from observational epidemiological studies of a link between long-term air pollution exposure and diabetes prevalence and incidence is currently mixed. Some studies found the strongest associations of diabetes with fine particles, other studies with nitrogen dioxide and some studies found no associations. OBJECTIVES: Our aim was to investigate associations between long-term exposure to multiple air pollutants and diabetes prevalence in a large national survey in the Netherlands...
September 5, 2017: Environment International
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