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https://www.readbyqxmd.com/read/28642748/helicobacter-hygiene-atopy-and-asthma
#1
REVIEW
Muhammad Miftahussurur, Iswan A Nusi, David Y Graham, Yoshio Yamaoka
The hygiene hypothesis links environmental and microbial exposures in early life to the prevalence of atopy, allergy, and asthma. Helicobacter pylori infection is typically acquired in childhood and acquisition of the infection is associated with poor household hygiene. Some population surveys have shown an inverse association between H. pylori infection and atopy, allergy, and asthma leading to the suggestion that H. pylori infection may be protective against disease; others consider it simply a biomarker for poor household hygiene...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28624884/age-at-menarche-and-lung-function-a-mendelian-randomization-study
#2
Dipender Gill, Nuala A Sheehan, Matthias Wielscher, Nick Shrine, Andre F S Amaral, John R Thompson, Raquel Granell, Bénédicte Leynaert, Francisco Gómez Real, Ian P Hall, Martin D Tobin, Juha Auvinen, Susan M Ring, Marjo-Riitta Jarvelin, Louise V Wain, John Henderson, Deborah Jarvis, Cosetta Minelli
A trend towards earlier menarche in women has been associated with childhood factors (e.g. obesity) and hypothesised environmental exposures (e.g. endocrine disruptors present in household products). Observational evidence has shown detrimental effects of early menarche on various health outcomes including adult lung function, but these might represent spurious associations due to confounding. To address this we used Mendelian randomization where genetic variants are used as proxies for age at menarche, since genetic associations are not affected by classical confounding...
June 17, 2017: European Journal of Epidemiology
https://www.readbyqxmd.com/read/28606699/integrated-assessment-of-exposure-to-pm2-5-in-south-india-and-its-relation-with-cardiovascular-risk-design-of-the-chai-observational-cohort-study
#3
Cathryn Tonne, Maëlle Salmon, Margaux Sanchez, V Sreekanth, Santhi Bhogadi, Sankar Sambandam, Kalpana Balakrishnan, Sanjay Kinra, Julian D Marshall
While there is convincing evidence that fine particulate matter causes cardiovascular mortality and morbidity, little of the evidence is based on populations outside of high income countries, leaving large uncertainties at high exposures. India is an attractive setting for investigating the cardiovascular risk of particles across a wide concentration range, including concentrations for which there is the largest uncertainty in the exposure-response relationship. CHAI is a European Research Council funded project that investigates the relationship between particulate air pollution from outdoor and household sources with markers of atherosclerosis, an important cardiovascular pathology...
June 3, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28604801/high-blood-levels-of-lead-in-children-aged-6-36-months-in-kathmandu-valley-nepal-a-cross-sectional-study-of-associated-factors
#4
Meghnath Dhimal, Khem Bahadur Karki, Krishna Kumar Aryal, Bimala Dhimal, Hari Datt Joshi, Sajan Puri, Achyut Raj Pandey, Purushotam Dhakal, Arun Kumar Sharma, Ganendra Bhakta Raya, Imran Ansari, David A Groneberg, Ruth Müller, Ulrich Kuch
Young children are at greatest risk of exposure to lead and its effects. Although lead is one of the most widely used elements with known health hazard, there is little data on the blood lead level (BLL) of children in the Kathmandu Valley. Thus, this study aimed to assess factors associated with high BLL in children who were 6-36 months of age and resided in the Kathmandu Valley. In this hospital-based cross-sectional study 6-36 month-old children visiting the Paediatrics Outpatient Department of Tribhuvan University Teaching Hospital, Patan Hospital, and Siddhi Memorial Hospital were enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28597053/community-exposure-and-vulnerability-to-water-quality-and-availability-a-case-study-in-the-mining-affected-paz%C3%A3-a-municipality-lake-poop%C3%A3-basin-bolivian-altiplano
#5
Megan French, Natalie Alem, Stephen J Edwards, Efraín Blanco Coariti, Helga Cauthin, Karen A Hudson-Edwards, Karen Luyckx, Jorge Quintanilla, Oscar Sánchez Miranda
Assessing water sources for drinking and irrigation along with community vulnerability, especially in developing and rural regions, is important for reducing risk posed by poor water quality and limited water availability and accessibility. We present a case study of rural mining-agricultural communities in the Lake Poopó Basin, one of the poorest regions on the Bolivian Altiplano. Here, relatively low rainfall, high evaporation, salinization and unregulated mining activity have contributed to environmental degradation and water issues, which is a situation facing many Altiplano communities...
June 8, 2017: Environmental Management
https://www.readbyqxmd.com/read/28593548/cancer-risk-from-gaseous-carbonyl-compounds-in-indoor-environment-generated-from-household-coal-combustion-in-xuanwei-china
#6
Ka-Hei Lui, Wen-Ting Dai, Chi-Sing Chan, Linwei Tian, Bo-Fu Ning, Yiping Zhou, Xiaolin Song, Bei Wang, Jinwen Li, Jun-Ji Cao, Shun-Cheng Lee, Kin-Fai Ho
Airborne carbonyls were characterized from emitted indoor coal combustion. Samples were collected in Xuanwei (Yunnan Province), a region in China with a high rate of lung cancer. Eleven of 19 types of samples (58%) demonstrated formaldehyde concentrations higher than the World Health Organization exposure limit (a 30-min average of 100 μg m(-3)). Different positive significant correlations between glyoxal/methylglyoxal and formaldehyde/acetaldehyde concentrations were observed, suggesting possible different characteristics in emissions between two pairs of carbonyl compounds...
June 7, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28583817/wood-stove-pollution-in-the-developed-world-a-case-to-raise-awareness-among-pediatricians
#7
Lisa B Rokoff, Petros Koutrakis, Eric Garshick, Margaret R Karagas, Emily Oken, Diane R Gold, Abby F Fleisch
Use of wood for residential heating is regaining popularity in developed countries. Currently, over 11 million US homes are heated with a wood stove. Although wood stoves reduce heating costs, wood smoke may adversely impact child health through the emission of gaseous and particulate air pollutants. Our purpose is to raise awareness of this environmental health issue among pediatricians. To summarize the state of the science, we performed a narrative review of articles published in PubMed and Web of Science...
June 2, 2017: Current Problems in Pediatric and Adolescent Health Care
https://www.readbyqxmd.com/read/28582526/environmental-tobacco-exposure-and-urinary-cotinine-levels-in-smoking-and-non-smoking-adolescents
#8
Ariela Braverman Bronstein, Julieta Lomelín Gascón, Cesar Iván Eugenio González, Tonatiuh Barrientos-Gutierrez
Objective: We aimed to evaluate the association between Environmental Tobacco Smoke (ETS) exposure and urinary cotinine levels in current adolescent smokers and non-smokers. The secondary objective was to explore the association between ETS exposure and nicotine dependence in adolescent smokers. Methods: Using the results from a validation study for the 2012 Global Youth Tobacco Survey in Mexico, we quantified urinary cotinine levels in adolescent smokers and non-smokers...
June 3, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28562303/maternal-and-perinatal-exposures-are-associated-with-risk-for-pediatric-onset-multiple-sclerosis
#9
Jennifer S Graves, Tanuja Chitnis, Bianca Weinstock-Guttman, Jennifer Rubin, Aaron S Zelikovitch, Bardia Nourbakhsh, Timothy Simmons, Michael Waltz, T Charles Casper, Emmanuelle Waubant
OBJECTIVE: To determine if prenatal, pregnancy, or postpartum-related environmental factors are associated with multiple sclerosis (MS) risk in children. METHODS: This is a case-control study of children with MS or clinically isolated syndrome and healthy controls enrolled at 16 clinics participating in the US Network of Pediatric MS Centers. Parents completed a comprehensive environmental questionnaire, including the capture of pregnancy and perinatal factors. Case status was confirmed by a panel of 3 pediatric MS specialists...
April 2017: Pediatrics
https://www.readbyqxmd.com/read/28556813/cognitive-motivational-determinants-of-residents-civic-engagement-and-health-inequities-in-the-context-of-noise-action-planning-a-conceptual-model
#10
Natalie Riedel, Irene van Kamp, Heike Köckler, Joachim Scheiner, Adrian Loerbroks, Thomas Claßen, Gabriele Bolte
The Environmental Noise Directive expects residents to be actively involved in localising and selecting noise abatement interventions during the noise action planning process. Its intervention impact is meant to be homogeneous across population groups. Against the background of social heterogeneity and environmental disparities, however, the impact of noise action planning on exposure to traffic-related noise and its health effects is unlikely to follow homogenous distributions. Until now, there has been no study evaluating the impact of noise action measures on the social distribution of traffic-related noise exposure and health outcomes...
May 30, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28526002/affective-concordance-in-couples-a-cross-sectional-analysis-of-depression-and-anxiety-consultations-within-a-population-of-13-507-couples-in-primary-care
#11
J Walker, J Liddle, K P Jordan, P Campbell
BACKGROUND: Depression and anxiety are common and have a significant impact on the individual and wider society. One theory proposed to explain a heightened risk for depression and anxiety is affective concordance in couples (e.g. influence of shared mood states, shared health beliefs). Whilst research has shown concordance for severe psychiatric illnesses and general mood in couples, little attention has been given to concordance for common psychiatric conditions such as depression and anxiety...
May 19, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28503304/clinico-pathologic-presentation-of-hypersensitivity-pneumonitis-in-egyptian-patients-a-multidisciplinary-study
#12
Dalia Abd El-Kareem, Yosri M Akl, Gina A Nakhla, Ali A Elhindawi, Mahmoud A Eltorky
BACKGROUND: Hypersensitivity pneumonitis (HP) is a common diffuse parenchymal lung disease in Egypt which can be difficult to recognize due to the dynamic symptoms & associated environmental factors. METHODS: Forty-three Egyptian patients were enrolled in this study, presenting with dyspnea and cough, predominant ground-glass opacity (GGO) in high-resolution computed tomography (HRCT) where lung biopsy was needed to establish the diagnosis. RESULTS: The age range was 15 to 60 years...
2017: Multidisciplinary Respiratory Medicine
https://www.readbyqxmd.com/read/28482294/association-between-fish-consumption-dietary-omega-3-fatty-acids-and-persistent-organic-pollutants-intake-and-type-2-diabetes-in-18-first-nations-in-ontario-canada
#13
Lesya Marushka, Malek Batal, William David, Harold Schwartz, Amy Ing, Karen Fediuk, Donald Sharp, Andrew Black, Constantine Tikhonov, Hing Man Chan
BACKGROUND: First Nations (FNs) populations in Canada experience a disproportionally higher rate of obesity and type 2 diabetes (T2D) compared to the general population. Recent data suggest that a high consumption of fish may help prevent T2D. On the other hand, fish might also be a potential source of environmental contaminants which could potentially be a risk factor for T2D. OBJECTIVE: To investigate the potential associations between self-reported T2D and consumption of locally-harvested fish, dietary long-chain omega-3 fatty acids (n-3FAs) and persistent organic pollutants intake among adult FNs living on reserve in Ontario...
July 2017: Environmental Research
https://www.readbyqxmd.com/read/28478814/fragrance-compounds-the-wolves-in-sheep-s-clothings
#14
Seema Patel
In the past few decades, synthetic fragrance compounds have become ubiquitous components of personal care and household cleaning products. Overwhelming consumerism trends have led to the excess usage of these chemicals. It has been observed that this fragrance-laden unhealthy lifestyle runs parallel with the unprecedented rates of diabetes, cancer, neural ailments, teratogenicity, and transgender instances. The link between fragrances as and the multiplicity of pathogens remained latent for decades. However, now this health hazard and its role in homeostasis breakdown is getting attention...
May 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28453973/determinants-of-children-s-exposure-to-pyrethroid-insecticides-in-western-france
#15
Philippe Glorennec, Tania Serrano, Morgane Fravallo, Charline Warembourg, Christine Monfort, Sylvaine Cordier, Jean-François Viel, Florent Le Gléau, Barbara Le Bot, Cécile Chevrier
Pyrethroids are insecticides frequently used in agriculture and in the home; exposure occurs through dietary and non-dietary pathways, including indoor and outdoor environmental contamination. Our objective was to study the potential determinants of pyrethroid metabolite concentrations measured in children's urine samples and in the dust of their homes. Specifically, we measured urinary metabolites from morning spot samples of 245 six-year-old children living in Brittany (France) in 2009-2012 and from dust vacuumed from the floor of their homes...
April 25, 2017: Environment International
https://www.readbyqxmd.com/read/28448823/accumulative-effects-of-indoor-air-pollution-exposure-on-leukocyte-telomere-length-among-non-smokers
#16
Nan Lin, Xinlin Mu, Guilian Wang, Yu'ang Ren, Shu Su, Zhiwen Li, Bin Wang, Shu Tao
Indoor air pollution is an important environmental factor that contributes to the burden of various diseases. Long-term exposure to ambient air pollution is associated with telomere shortening. However, the association between chronic indoor air pollution from household fuel combustion and leukocyte telomere length has not been studied. In our study, 137 cancer-free non-smokers were recruited. Their exposure levels to indoor air pollution from 1985 to 2014 were assessed using a face-to-face interview questionnaire, and leukocyte telomere length (LTL) was measured using a monochrome multiplex quantitative PCR method...
August 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28442938/environmental-arsenic-exposure-and-risk-of-diabetes-type-2-in-ron-phibun-subdistrict-nakhon-si-thammarat-province-thailand-unmatched-and-matched-case-control-studies
#17
Kwanyuen Sripaoraya, Wattasit Siriwong, Sumol Pavittranon, Robert S Chapman
BACKGROUND: There are inconsistent findings on associations between low-to-moderate level of arsenic in water and diabetes risk from previous epidemiological reports. In Ron Phibun subdistrict, Nakhon Si Thammarat Province, Thailand, a low level of arsenic exposure among population was observed and increased diabetes mellitus (DM) rate was identified. OBJECTIVES: We aimed to investigate the association between determinants (including low-level water arsenic exposure) of DM type 2 risk among residents of three villages of Ron Phibun subdistrict, Nakhon Si Thammarat Province...
2017: Risk Management and Healthcare Policy
https://www.readbyqxmd.com/read/28441989/ara-h2-levels-in-dust-from-homes-of-individuals-with-peanut-allergy-and-individuals-with-peanut-tolerance
#18
Jodi Shroba, Charles Barnes, Maya Nanda, Chitra Dinakar, Christina Ciaccio
BACKGROUND: Approximately 1% of the U.S. population has a peanut allergy. Previous studies that measured peanut protein in house dust support the hypothesis that household peanut consumption may lead to clinical sensitization through transdermal exposure. OBJECTIVE: The aim of this pilot study was to characterize Ara h2 levels in house dust from homes with and without individuals with peanut allergy. METHODS: Household dust was obtained from homes with an individual with peanut allergy and from homes with no individual with peanut allergy...
May 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28437652/review-of-take-home-pesticide-exposure-pathway-in-children-living-in-agricultural-areas
#19
REVIEW
Carly Hyland, Ouahiba Laribi
BACKGROUND: Children of farmworkers may be chronically exposed to pesticides via the take-home exposure pathway. OBJECTIVE: The goal of this review was to analyze scientific literature evaluating the role of the take-home pesticide exposure pathway in children of agricultural workers. METHODS: A systematic review was undertaken and inclusion criteria were applied to identify original articles of interest. Of the 30 articles included in this review, some belonged to the same studies, resulting in a total of 23 studies...
July 2017: Environmental Research
https://www.readbyqxmd.com/read/28420188/health-risk-assessment-of-indoor-air-quality-socioeconomic-and-house-characteristics-on-respiratory-health-among-women-and-children-of-tirupur-south-india
#20
Krassi Rumchev, Yun Zhao, Jeffery Spickett
Background: Indoor air pollution is still considered as one of the leading causes of morbidity and mortality worldwide and especially in developing countries, including India. This study aims to assess social, housing, and indoor environmental factors associated with respiratory health among mothers and children. Methods: The study was conducted in the city of Tirupur, South India. We quantitatively assessed the indoor exposure to fine particulate matter (PM2.5) and carbon monoxide in relation to respiratory health among women and children...
April 17, 2017: International Journal of Environmental Research and Public Health
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