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environmental exposure household

Silvia de Souza Campos Fernandes, Dirceu Solé, Paulo Camargos, Cláudia Ribeiro de Andrade, Cássio da Cunha Ibiapina
OBJECTIVE: To evaluate risk factors associated with asthma symptoms in adolescents in the 13- to 14-year age bracket. METHODS: This was a cross-sectional study involving adolescents enrolled in randomly selected public schools in the city of Belo Horizonte, Brazil, and conducted with the use of the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire and its supplementary module for risk factor assessment. The ISAAC questionnaire was completed by the students themselves, whereas the supplementary questionnaire was completed by their parents or legal guardians...
January 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
Elizabeth Kwon, Dong-Chul Seo, Hsien-Chang Lin, Zhongxue Chen
OBJECTIVES: Given that nicotine is one of the most addictive substances and that adolescents who are exposed to nicotine via e-cigarettes can progress to conventional cigarette smoking, there is a need to identify youth who are susceptible to e-cigarette use and prevent them from initiating e-cigarette use. Susceptibility to e-cigarette use, defined as the absence of a firm decision not to use e-cigarettes, is a useful concept that can be used to predict e-cigarette initiation and identify youth who have high risk of initiating e-cigarettes...
February 22, 2018: Addictive Behaviors
Hironobu Nishijima, Sayaka Suzuki, Kenji Kondo, Tatsuya Yamasoba, Shintaro Yanagimoto
OBJECTIVE: Numerous studies have reported that various environmental factors during early life are key determinants for developing allergic disease. Herein, we aimed to investigate the impact of environmental factors on allergic rhinitis. METHODS: This cross-sectional study was conducted in a single university in Japan (from April to June, in 2015 and 2016). Students voluntarily answered online questionnaires regarding their allergic rhinitis symptoms and their exposure to various environmental factors during preschool-age...
February 20, 2018: Auris, Nasus, Larynx
Candice Wolf, Seth Wolf, Miriam Weiss, Gustavo Nino
The quantity, accessibility and focus on child-targeted programming has exponentially increased since it entered American households in the early 1900s. It may have started with the television (TV), but technology has evolved and now fits in our pockets; as of 2017, 95% of American families own a smartphone. Availability and child-tailored content has subsequently led to a decrease in the age at initial screen exposure. The negative effects that accompany the current culture of early screen exposure are extensive and need to be considered as technology continues to enter the home and inundate social interactions...
February 23, 2018: Children
Anirudra Parajuli, Mira Grönroos, Nathan Siter, Riikka Puhakka, Heli K Vari, Marja I Roslund, Ari Jumpponen, Noora Nurminen, Olli H Laitinen, Heikki Hyöty, Juho Rajaniemi, Aki Sinkkonen
Expanding urbanization is a major factor behind rapidly declining biodiversity. It has been proposed that in urbanized societies, the rarity of contact with diverse environmental microbiota negatively impacts immune function and ultimately increases the risk for allergies and other immune-mediated disorders. Surprisingly, the basic assumption that urbanization reduces exposure to environmental microbiota and its transfer indoors has rarely been examined. We investigated if the land use type around Finnish homes affects the diversity, richness, and abundance of bacterial communities indoors...
2018: Frontiers in Microbiology
Lisa M Thompson, Anaité Diaz-Artiga, John R Weinstein, Margaret A Handley
BACKGROUND: Three billion people use solid cooking fuels, and 4 million people die from household air pollution annually. Shifting households to clean fuels, like liquefied petroleum gas (LPG), may protect health only if stoves are consistently used. Few studies have used an implementation science framework to systematically assess "de-implementation" of traditional stoves, and none have done so with pregnant women who are more likely to adopt new behaviors. We evaluated an introduced LPG stove coupled with a phased behavioral intervention to encourage exclusive gas stove use among pregnant women in rural Guatemala...
February 14, 2018: BMC Public Health
Mina Ha, Young Su Ju, Won Jin Lee, Seung Sik Hwang, Sang Chul Yoo, Kyung Hwa Choi, Eunae Burm, Jieon Lee, Yun Keun Lee, Sanghyuk Im
BACKGROUND: In 2011, two roads in a residential area in Seoul were found to be contaminated with the radionuclide cesium-137 (137Cs). In response to public concerns, an epidemiological study was conducted. METHODS: The standardized cancer incidence ratios in the affected and neighboring regions were calculated based on the central cancer registry. Households in the region were sampled using the random stratified sampling technique, and questionnaires were administered to family members, via home visit and via students in elementary to high schools...
February 26, 2018: Journal of Korean Medical Science
Dudsadee Muenhor, Stuart Harrad
This study examines concentrations of tri- to hexa-bromodiphenylethers (BDEs 17, 28, 47, 49, 66, 85, 99, 100, 153 and 154; Σ10PBDEs (polybrominated diphenyl ethers)) in car (n = 30) and house dust samples (n = 53) collected from different provinces in Thailand. The specific objectives of this study were: (i) to monitor levels of tri- to hexa-bromodiphenylethers (BDEs 17, 28, 47, 49, 66, 85, 99, 100, 153 and 154; Σ10PBDEs) in vehicle and residential dust sampled from various provinces in Thailand; (ii) to compare PBDE concentrations with those detected for domestic and automobile dust in studies from other countries and (iii) to estimate exposure of the Thai population to the target PBDEs via dust ingestion...
February 12, 2018: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
Jennifer A Horney, Gaston A Casillas, Erin Baker, Kahler W Stone, Katie R Kirsch, Krisa Camargo, Terry L Wade, Thomas J McDonald
INTRODUCTION: Polycyclic aromatic hydrocarbons (PAHs) are complex environmental toxicants. Exposure to them has been linked to adverse health outcomes including cancer, as well as diseases of the skin, liver, and immune system. Based on an ongoing community engagement partnership with stakeholder groups and residents, we conducted a small longitudinal study to assess domestic exposure to PAHs among residents of Manchester, an environmental justice neighborhood located in the East End of Houston, TX...
2018: PloS One
Heng-Wei Hsu, Stephen C Bondy, Masashi Kitazawa
Metals are commonly found in the environment, household, and workplaces in various forms, and a significant segment of the population is routinely exposed to the trace amount of metals from variety of sources. Exposure to metals, such as aluminum, lead, iron, and copper, from environment has long been debated as a potential environmental risk factor for Alzheimer's disease (AD) for decades, yet results from in vitro, in vivo, and human population remain controversial. In the case of copper, the neurotoxic mechanism of action was classically viewed as its strong affinity to amyloid-beta (Aβ) to help its aggregation and increase oxidative stress via Fenton reaction...
February 2, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
Weijian Liu, Guofeng Shen, Yuanchen Chen, Huizhong Shen, Ye Huang, Tongchao Li, Yilong Wang, Xiaofang Fu, Shu Tao, Wenxin Liu, Yibo Huang-Fu, Weihao Zhang, Chunyu Xue, Guangqing Liu, Fuyong Wu, Minghung Wong
Household air pollution is considered to be among the top environmental risks in China. To examine the performance of improved stoves for reduction of indoor particulate matter (PM) emission and exposure in rural households, individual inhalation exposure to size-resolved PM was investigated using personal portable samplers carried by residents using wood gasifier stoves or improved coal stoves in a rural county in Central China. Concentrations of PM with different sizes in stationary indoor and outdoor air were also monitored at paired sites...
January 2018: Journal of Environmental Sciences (China)
Helen A Brough, Inger Kull, Kerry Richards, Eva Hallner, Cilla Söderhäll, Abdel Douiri, Martin Penagos, Erik Melén, Anna Bergström, Victor Turcanu, Magnus Wickman, Gideon Lack
BACKGROUND: High household peanut consumption is associated with the development of peanut allergy, especially when peanut allergic cases are compared against atopic controls; thus environmental peanut exposure (EPE) may be a risk factor for peanut sensitization and allergy. In this study we explored the relationship between EPE and school-age peanut sensitization in a population based cohort. METHODS: Maternal bed-dust was collected postnatally and EPE was quantified using a polyclonal peanut ELISA...
February 6, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
Brie Reid, Jennifer Orgle, Khrist Roy, Catherine Pongolani, Modesta Chileshe, Rebecca Stoltzfus
Undernourished children in low-income contexts often suffer from environmental enteric disorder-damage to the intestines probably caused by chronic exposure to bacterial pathogens from feces. We aimed to identify strategies for reducing infants and young children's (IYC) exposure to human and animal feces in rural farming families by conducting direct observation of 30 caregiver-infant dyads for 143 hours and recording water, sanitation, and hygiene (WASH)-related behaviors to identify possible pathways of fecal-oral transmission of bacteria among IYC in rural Zambia...
February 5, 2018: American Journal of Tropical Medicine and Hygiene
Matthew Huff, Willian A da Silveira, Oliana Carnevali, Ludivine Renaud, Gary Hardiman
The organic compound diethylhexyl phthalate (DEHP) represents a high production volume chemical found in cosmetics, personal care products, laundry detergents, and household items. DEHP, along with other phthalates causes endocrine disruption in males. Exposure to endocrine disrupting chemicals has been linked to the development of several adverse health outcomes with apical end points including Non-Alcoholic Fatty Liver Disease (NAFLD). This study examined the adult male zebrafish (Danio rerio) transcriptome after exposure to environmental levels of DEHP and 17α-ethinylestradiol (EE2) using both DNA microarray and RNA-sequencing technologies...
February 1, 2018: Scientific Reports
Ibrahima Sy, Doulo Traoré, Aminata Niang Diène, Brama Koné, Baidy Lô, Ousmane Faye, Jürg Utzinger, Guéladio Cissé, Marcel Tanner
INTRODUCTION: Drinking water and sanitation are two factors of inter-linked inextricably public health especially in the city of Nouakchott where the low availability of these services leads to a multitude of use and hygiene practices involving a complex socio-ecological system with an increased risk of waterborne diseases transmission (diarrhea, cholera, etc.). METHODS: Thus, this contribution analyzes the impact of socio-ecological system on the development of diarrheal diseases by using socio-environmental and epidemiological data from various sources (national surveys and registries consultation)...
December 5, 2017: Santé Publique: Revue Multidisciplinaire Pour la Recherche et L'action
Dale P Sandler, M Elizabeth Hodgson, Sandra L Deming-Halverson, Paula S Juras, Aimee A D'Aloisio, Lourdes M Suarez, Cynthia A Kleeberger, David L Shore, Lisa A DeRoo, Jack A Taylor, Clarice R Weinberg
BACKGROUND: The Sister Study was designed to address gaps in the study of environment and breast cancer by taking advantage of more frequent breast cancer diagnoses among women with a sister history of breast cancer and the presumed enrichment of shared environmental and genetic exposures. OBJECTIVE: The Sister Study sought a large cohort of women never diagnosed with breast cancer but who had a sister (full or half) diagnosed with breast cancer. METHODS: A multifaceted national effort employed novel strategies to recruit a diverse cohort, and collected biological and environmental samples and extensive data on potential breast cancer risk factors...
December 20, 2017: Environmental Health Perspectives
Tala Navab-Daneshmand, Max N D Friedrich, Marja Gächter, Maria Camila Montealegre, Linn S Mlambo, Tamuka Nhiwatiwa, Hans-Joachim Mosler, Timothy R Julian
Escherichia coli pathotypes (i.e., enteropathogenic and enterotoxigenic) have been identified among the pathogens most responsible for moderate-to-severe diarrhea in low- and middle-income countries (LMICs). Pathogenic E. coli are transmitted from infected human or animal feces to new susceptible hosts via environmental reservoirs such as hands, water, and soil. Commensal E. coli, which includes nonpathogenic E. coli strains, are widely used as fecal bacteria indicator, with their presence associated with increased likelihood of enteric pathogens and/or diarrheal disease...
January 22, 2018: American Journal of Tropical Medicine and Hygiene
Timothy Dignam, Ana Pomales, Lora Werner, E Claire Newbern, James Hodge, Jay Nielsen, Aaron Grober, Karen Scruton, Rand Young, Jack Kelly, Mary Jean Brown
INTRODUCTION: Several urban neighborhoods in Philadelphia, Pennsylvania, have a history of soil, household lead paint, and potential lead-emitting industry contamination. OBJECTIVES: To (1) describe blood lead levels (BLLs) in target neighborhoods, (2) identify risk factors and sources of lead exposure, (3) describe household environmental lead levels, and (4) compare results with existing data. METHODS: A simple, random, cross-sectional sampling strategy was used to enroll children 8 years or younger living in selected Philadelphia neighborhoods with a history of lead-emitting industry during July 2014...
January 10, 2018: Journal of Public Health Management and Practice: JPHMP
Yi Chen, Jianzhang Fang, Lu Ren, Ruifang Fan, Jianqing Zhang, Guihua Liu, Li Zhou, Dingyan Chen, Yingxin Yu, Shaoyou Lu
Organophosphate esters (OPEs) are widely used in household products as flame retardants or plasticizers and have become ubiquitous pollutants in environmental media. However, little is known about OPE metabolites in humans, especially in children. In this study, eight OPE metabolites were measured in 411 urine samples collected from 6 to 14-year-old children in South China. Bis(2-chloroethyl) phosphate (BCEP), bis(1-chloro-2-propyl) phosphate (BCIPP) and diphenyl phosphate (DPHP) were the dominant OPE metabolites, and their median concentrations were 1...
January 3, 2018: Environmental Pollution
Jeremy W Coid, Junmei Hu, Constantinos Kallis, Yuan Ping, Juying Zhang, Yueying Hu, Tianqiang Zhang, Rafael Gonzalez, Simone Ullrich, Peter B Jones, James B Kirkbride
Background: Urban birth and urban living are associated with increased risk of schizophrenia but less is known about effects on more common psychotic experiences (PEs). China has undergone the most rapid urbanization of any country which may have affected the population-level expression of psychosis. We therefore investigated effects of urbanicity, work migrancy, and residential stability on prevalence and severity of PEs. Methods: Population-based, 2-wave household survey of psychiatric morbidity and health-related behavior among 4132 men, 18-34 years of age living in urban and rural Greater Chengdu, Sichuan Province, China...
December 29, 2017: Schizophrenia Bulletin
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