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Damp home

Dan Norbäck, Chan Lu, Juan Wang, Yinping Zhang, Baizhan Li, Zhuohui Zhao, Chen Huang, Xin Zhang, Hua Qian, Yuexia Sun, Jan Sundell, Qihong Deng
BACKGROUND: Few data exist on asthma and rhinitis across China in relation to indoor and outdoor air pollution, climate and socioeconomic factors. The main aim was to study associations between asthma, rhinitis and current respiratory symptoms among pre-school children across China and selected indoor and outdoor exposure and indicators of socio-economic status (SES) in mutually adjusted models. METHODS: Chinese children (3-6 yr.) (n = 39,782) were recruited from randomly selected day care centres in seven cities in China...
March 9, 2018: Environment International
Bridget Hegarty, Karen Dannemiller, Jordan Peccia
Dampness and visible mold growth in homes is associated with negative human health outcomes but causal relationships between fungal exposure and health are not well established. The purpose of this study was to determine if dampness in buildings impacts fungal community gene expression and how, in turn, gene expression may modulate human health impacts. A metatranscriptomic study was performed on house dust fungal communities to investigate the expression of genes and metabolic processes in chamber experiments at water activity levels of 0...
March 3, 2018: Indoor Air
Constance H Katelaris, Paul J Beggs
Climate change has been described as the biggest global health threat of the 21st century. The atmospheric concentrations of greenhouse gases, such as carbon dioxide, methane and nitrous oxide, have increased significantly since the start of the Industrial Era around 1750, with much of this increase occurring over just the last 50 years or so. This is resulting in warming of the climate system as well as changes in precipitation and weather and climate extremes. These changes in climate are having wide-ranging impacts on the Earth's physical, biological and human systems, including human health...
February 2018: Internal Medicine Journal
Barbara Locher, André Piquerez, Manuel Habermacher, Martina Ragettli, Martin Röösli, Mark Brink, Christian Cajochen, Danielle Vienneau, Maria Foraster, Uwe Müller, Jean Marc Wunderli
Noise exposure prediction models for health effect studies normally estimate free field exposure levels outside. However, to assess the noise exposure inside dwellings, an estimate of indoor sound levels is necessary. To date, little field data is available about the difference between indoor and outdoor noise levels and factors affecting the damping of outside noise. This is a major cause of uncertainty in indoor noise exposure prediction and may lead to exposure misclassification in health assessments. This study aims to determine sound level differences between the indoors and the outdoors for different window positions and how this sound damping is related to building characteristics...
January 18, 2018: International Journal of Environmental Research and Public Health
Heather Brown, Gulnar Fattakhova, Clare Bambra, Paul Taylor
OBJECTIVES: External Wall Insulation (EWI) insulates and protect homes against damp. The Energy Company Obligation (ECO) scheme incentivised large energy providers in the UK delivering energy efficiency measures such as EWI to fuel impoverished households. Return on Investment (ROI) analysis is utilised to determine if EWI is a cost-effective procedure in terms of improving health related quality of life (HRQOL) measured using the EQ-5D-3L™, reducing health care expenditure, and fuel costs...
December 13, 2017: BMC Research Notes
Chong Chen, Chen-Hong Zeng, Si-Qi Zhang, Li Wei
The Dioscorea hypoglauca rhizome and D. spongiosa rhizome in "China Pharmacopoeia" are often used as Bixie in clinically, with the function of removing dampness, clearing away turbidness and dispelling wind to remove pain, and has been widely used in stranguria marked by chyluria, joint stiffness and rheumatic arthralgia. It has obvious curative effect and broad application prospect. However, in recent years the progress of research is slow for its miscellaneous sources, chaotic varieties and lack of relevant quality assessment...
September 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
(no author information available yet)
Moisture damages and dampness in buildings is a risk factor for respiratory symptoms and development of asthma. Diagnostics and care of the patients must be based on general guidelines, regardless of potential moisture damage in home or work place. No laboratory or other clinical tests exist that can be used to associate potential moisture damage to perceived symptoms of the patient. Buildings affected by moisture damages should be remediated, because it is likely to be beneficial to health of the occupants and other users and for the condition of the building...
2017: Duodecim; Lääketieteellinen Aikakauskirja
Chandima P Karunanayake, Donna C Rennie, Vivian R Ramsden, Mark Fenton, Shelley Kirychuk, Joshua A Lawson, Raina Henderson, Laurie Jimmy, Jeremy Seeseequasis, Sylvia Abonyi, James A Dosman, Punam Pahwa
Respiratory diseases, such as bronchitis and pneumonia, are common in First Nations children in Canada. The objectives are to determine prevalence and associated risk factors of bronchitis in children 6-17 years old residing in two reserve communities. The cross-sectional study was conducted in 2013 and children from two First Nations reserve communities participated. The outcome was ever presence/absence of bronchitis. Logistic regression analysis was conducted to examine the relationship between bronchitis and the individual and environmental factors...
November 24, 2017: Children
Emily Midouhas, Theodora Kokosi, Eirini Flouri
BACKGROUND: This study examined outdoor and indoor air quality at ages 9 months and 3 years and their association with cognitive ability at age 3 in England and Wales. METHOD: Data from 8198 Millennium Cohort Study children were analysed using multilevel regression. Outdoor air quality was assessed with mean annual estimates of nitrogen dioxide (NO2 ) levels within a standard small area (ward). Indoor air quality was measured with parent-reports of damp or condensation in the home and exposure to secondhand smoke in the home...
February 2018: Environmental Research
Yi Lu, Shao Lin, Wayne R Lawrence, Ziqiang Lin, Eugen Gurzau, Eva Csobod, Iulia A Neamtiu
BACKGROUND: Exposure to indoor air pollutants at home was found to be associated with respiratory diseases. As lifestyle changes with rapid economic growth in Romania, the aim of our study is to describe the characteristics of Romanian homes and their impact on children's respiratory health. METHODS: Self-reported information on respiratory symptoms was collected from 280 Romanian elementary school students in 2011, and the symptoms were categorized into allergy, asthma-like, and flu-like symptoms...
April 15, 2018: Science of the Total Environment
Rune Becher, Anja Hortemo Høie, Jan Vilhelm Bakke, Sverre Bjørn Holøs, Johan Øvrevik
The occurrence of dampness and mold in the indoor environment is associated with respiratory-related disease outcomes. Thus, it is pertinent to know the magnitude of such indoor environment problems to be able to estimate the potential health impact in the population. In the present study, the moisture damage in 10,112 Norwegian dwellings was recorded based on building inspection reports. The levels of moisture damage were graded based on a condition class (CC), where CC0 is immaculate and CC1 acceptable (actions not required), while CC2 and CC3 indicate increased levels of damage that requires action...
October 17, 2017: International Journal of Environmental Research and Public Health
X-J Fan, C Yang, L Zhang, Q Fan, T Li, X Bai, Z-H Zhao, X Zhang, D Norback
SETTING: Respiratory symptoms in relation to environment in Taiyuan, China. OBJECTIVE: To study associations between school/home exposure and prevalence of respiratory symptoms and self-reported respiratory infections (RIs) among students. DESIGN: A total of 2134 pupils from 10 schools answered a questionnaire; air pollution at school was measured. RESULTS: The prevalence of current wheeze, daytime attacks of breathlessness, nocturnal cough, nocturnal respiratory symptoms and RI was respectively 4...
November 1, 2017: International Journal of Tuberculosis and Lung Disease
Fei'er Chen, Zhijing Lin, Renjie Chen, Dan Norback, Cong Liu, Haidong Kan, Qihong Deng, Chen Huang, Yu Hu, Zhijun Zou, Wei Liu, Juan Wang, Chan Lu, Hua Qian, Xu Yang, Xin Zhang, Fang Qu, Jan Sundell, Yinping Zhang, Baizhan Li, Yuexia Sun, Zhuohui Zhao
The urbanization and industrialization in China is accompanied by bad air quality, and the prevalence of asthma in Chinese children has been increasing in recent years. To investigate the associations between ambient PM2.5 levels and asthmatic and allergic diseases or symptoms in preschool children in China, we assigned PM2.5 exposure data from the Global Burden of Disease (GBD) project to 205 kindergartens at a spatial resolution of 0.1° × 0.1° in six cities in China (Shanghai, Nanjing, Chongqing, Changsha, Urumqi, and Taiyuan)...
September 29, 2017: Environmental Pollution
Sara Duncan, Kenneth G Sexton, Barbara Turpin
Dampness affects a substantial percentage of homes and is associated with increased risk of respiratory ailments; yet the effects of dampness on indoor chemistry are largely unknown. We hypothesize that the presence of water-soluble gases and their aqueous processing alters the chemical composition of indoor air and thereby affects inhalation and dermal exposures in damp homes. Herein, we use the existing literature and new measurements to examine the plausibility of this hypothesis, summarize existing evidence, and identify key knowledge gaps...
August 22, 2017: Indoor Air
Melanie J Andersen, Anna B Williamson, Peter Fernando, Darryl Wright, Sally Redman
BACKGROUND: Housing is a key determinant of the poor health of Aboriginal Australians. Most Aboriginal people live in cities and large towns, yet research into housing conditions has largely focused on those living in remote areas. This paper measures the prevalence of housing problems amongst participants in a study of urban Aboriginal families in New South Wales, Australia, and examines the relationship between tenure type and exposure to housing problems. METHODS: Cross-sectional survey data was provided by 600 caregivers of 1406 Aboriginal children aged 0-17 years participating in Phase One of the Study of Environment on Aboriginal Resilience and Child Health (SEARCH)...
August 1, 2017: BMC Public Health
C Ahlroth Pind, M Gunnbjörnsdottír, A Bjerg, B Järvholm, B Lundbäck, A Malinovschi, R Middelveld, J Nilsson Sommar, D Norbäck, C Janson
BACKGROUND: An association between dampness at home and respiratory conditions has been convincingly demonstrated in children. Fewer studies have been performed in adults, and data are lacking for chronic rhinosinusitis (CRS). With a prevalence of 10.9% in Europe, CRS imposes a significant burden on quality of life, as well as economy. OBJECTIVE: Our aim was to study CRS and other respiratory conditions in relation to dampness at home in a representative sample of adults...
November 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
Motoko Takaoka, Kyoko Suzuki, Dan Norbäck
OBJECTIVE: To study associations between the school and home environment and current asthma, respiratory symptoms and airway infections among Japanese students. METHODS: Japanese students (12-15 y) (N = 1048) in four schools responded to a questionnaire on respiratory health, allergy and the home environment. Temperature, relative air humidity (RH) and student density (students/m(2) floor area) was measured in the classrooms: dust was collected from floors and in classroom air and analysed for cat (Fel d 1) and dog (Can f 1) allergens...
August 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
E Bolat, T Arikoglu, M A Sungur, S B Batmaz, S Kuyucu
OBJECTIVES: The aim of the present study was to determine the prevalence and risk factors of allergic diseases in preschool children from one of the biggest cities in the Mediterranean Region of Turkey. METHODS: The study population included 396 preschool children attending to urban daycare centres in Mersin. In the first stage, a comprehensive standardised questionnaire modified from the International Study of Asthma and Allergies in Childhood (ISAAC) was employed...
July 2017: Allergologia et Immunopathologia
Dan Norbäck, Chan Lu, Yinping Zhang, Baizhan Li, Zhuohui Zhao, Chen Huang, Xin Zhang, Hua Qian, Jan Sundell, Qihong Deng
BACKGROUND: There is some evidence that dampness, mould and cockroaches can increase the risk of respiratory infections in children but few studies exist from China on this topic. Aim To study associations between domestic early life exposure to biological indoor factors (dampness, mould, cats, dogs, rats, cockroaches), cleaning habits and common cold among pre-school children across China. METHODS: Children aged 3-6years (n=39,782) were recruited from randomly selected day care centres in seven cities in China...
June 2017: Environment International
Michelle L North, Jeffrey R Brook, Elizabeth Y Lee, Vanessa Omana, Nadia M Daniel, Lisa M Steacy, Greg J Evans, Miriam L Diamond, Anne K Ellis
BACKGROUND: The Kingston Allergy Birth Cohort (KABC) is a prenatally recruited cohort initiated to study the developmental origins of allergic disease. Kingston General Hospital was chosen for recruitment because it serves a population with notable diversity in environmental exposures relevant to the emerging concept of the exposome. OBJECTIVE: To establish a profile of the KABC using the exposome framework and examine parentally reported respiratory symptoms to 2 years of age...
April 2017: Annals of Allergy, Asthma & Immunology
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