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Concepts of Environmental Health

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https://www.readbyqxmd.com/read/28333229/escherichia-coli-cattle-and-the-propagation-of-disease
#1
Richard A Stein, David E Katz
Several early models describing host-pathogen interaction have assumed that each individual host has approximately the same likelihood of becoming infected or of infecting others. More recently, a concept that has been increasingly emphasized in many studies is that for many infectious diseases, transmission is not homogeneous but highly skewed at the level of populations. In what became known as the "20/80 rule", about 20% of the hosts in a population were found to contribute to about 80% of the transmission potential...
March 1, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28329925/-attaching-importance-to-study-on-acute-health-risk-assessment-and-adaptation-of-air-pollution-and-climate-change
#2
X M Shi
Air pollution and climate change have become key environmental and public health problems around the world, which poses serious threat to human health. How to assess and mitigate the health risks and increase the adaptation of the public have become an urgent topic of research in this area. The six papers in this issue will provide important and rich information on design, analysis method, indicator selection and setting about acute health risk assessment and adaptation study of air pollution and climate change in China, reflecting the advanced conceptions of multi-center and area-specific study and multi-pollutant causing acute effect study...
March 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28326066/beneficial-microorganisms-for-corals-bmc-proposed-mechanisms-for-coral-health-and-resilience
#3
REVIEW
Raquel S Peixoto, Phillipe M Rosado, Deborah Catharine de Assis Leite, Alexandre S Rosado, David G Bourne
The symbiotic association between the coral animal and its endosymbiotic dinoflagellate partner Symbiodinium is central to the success of corals. However, an array of other microorganisms associated with coral (i.e., Bacteria, Archaea, Fungi, and viruses) have a complex and intricate role in maintaining homeostasis between corals and Symbiodinium. Corals are sensitive to shifts in the surrounding environmental conditions. One of the most widely reported responses of coral to stressful environmental conditions is bleaching...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28320348/methods-for-conceptualising-visual-ability-as-a-measurable-construct-in-children-with-cerebral-palsy
#4
Belinda Deramore Denver, Margareta Adolfsson, Elspeth Froude, Peter Rosenbaum, Christine Imms
BACKGROUND: Vision influences functioning and disability of children with cerebral palsy, so there is a growing need for psychometrically robust tools to advance assessment of children's vision abilities in clinical practice and research. Vision is a complex construct, and in the absence of clarity about this construct it is challenging to know whether valid, reliable measures exist. This study reports a method for conceptualising 'visual ability' as a measurable construct. METHODS: Using the items from 19 assessment tools previously identified in a systematic review, this study used a two-phase process: first, deductive content analysis linked items to the International Classification of Functioning, Disability and Health - Child and Youth version (ICF-CY), and second, vision-specific 'Activity'-level items were explored using inductive thematic analysis...
March 21, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28300953/language-and-functionality-of-post-stroke-adults-evaluation-based-on-international-classification-of-functioning-disability-and-health-icf
#5
Maria Tereza Maynard Santana, Regina Yu Shon Chun
Purpose: Cerebrovascular accident is an important Public Health problem because of the high rates of mortality and sequelae such as language disorders. The conceptual health changes have led to the incorporation of functional and social aspects in the assessments as proposed by the World Health Organization in the International Classification of Functioning, Disability and Health. The purpose was to evaluate and classify language aspects, functionality and participation of post-stroke individuals based on the concepts of the International Classification of Functioning, Disability and Health and characterize the sociodemographic profile of participants...
March 9, 2017: CoDAS
https://www.readbyqxmd.com/read/28298279/the-potential-impact-of-animal-science-research-on-global-maternal-and-child-nutrition-and-health-a-landscape-review
#6
REVIEW
Jack Odle, Sheila K Jacobi, R Dean Boyd, Dale E Bauman, Russell V Anthony, Fuller W Bazer, Adam L Lock, Andrew C Serazin
High among the challenges facing mankind as the world population rapidly expands toward 9 billion people by 2050 is the technological development and implementation of sustainable agriculture and food systems to supply abundant and wholesome nutrition. In many low-income societies, women and children are the most vulnerable to food insecurity, and it is unequivocal that quality nutrition during the first 1000 d of life postconception can be transformative in establishing a robust, lifelong developmental trajectory...
March 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28286084/recent-experimental-results-of-effects-of-perfluoroalkyl-substances-in-laboratory-animals-relation-to-current-regulations-and-guidance-values
#7
Hellmuth Lilienthal, Hermann H Dieter, Jürgen Hölzer, Michael Wilhelm
The detection of perfluoroalkyl substances (PFAS) in surface and drinking water from various countries raised the attention to the presence of these chemicals in environmental probes and led to several regulatory actions to limit exposure in human beings. There was particular concern about perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS), due to their former wide-spread use. Recently, several institutions published revisions of former regulatory or recommended maximum concentrations in drinking water and food, which are markedly lower than the former values...
March 2, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28284980/the-kingston-allergy-birth-cohort-exploring-parentally-reported-respiratory-outcomes-through-the-lens-of-the-exposome
#8
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. OBJECTIVES: To establish a profile of the KABC using the exposome framework and examine parentally reported respiratory symptoms to 2 years of age...
March 8, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28284709/the-next-step-for-stress-research-in-primates-to-identify-relationships-between-glucocorticoid-secretion-and-fitness
#9
REVIEW
Jacinta C Beehner, Thore J Bergman
Glucocorticoids are hormones that mediate the energetic demands that accompany environmental challenges. It is therefore not surprising that these metabolic hormones have come to dominate endocrine research on the health and fitness of wild populations. Yet, several problems have been identified in the vertebrate research that also apply to the non-human primate research. First, glucocorticoids should not be used as a proxy for fitness (unless a link has previously been established between glucocorticoids and fitness for a particular population)...
March 15, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28280586/a-non-equilibrium-formulation-of-food-security-resilience
#10
Matteo Smerlak, Bapu Vaitla
Resilience, the ability to recover from adverse events, is of fundamental importance to food security. This is especially true in poor countries, where basic needs are frequently threatened by economic, environmental and health shocks. An empirically sound formalization of the concept of food security resilience, however, is lacking. Here, we introduce a general non-equilibrium framework for quantifying resilience based on the statistical notion of persistence. Our approach can be applied to any food security variable for which high-frequency time-series data are available...
January 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28278003/participant-experiences-and-perceptions-of-physical-activity-enhancing-interventions-for-people-with-physical-impairments-and-mobility-limitations-a-meta-synthesis-of-qualitative-research-evidence
#11
Toni L Williams, Jasmin K Ma, Kathleen A Martin Ginis
Disabled people face multiple personal, environmental and social barriers that interfere with leading a physically active lifestyle. Thus, there is an urgent need for behaviour change interventions to increase physical activity (PA) by specifically addressing the situations of disabled people, and barriers to participation. This original meta-synthesis of qualitative research was undertaken to explore participants' experiences and perceptions of PA-enhancing interventions for adults with physical impairments resulting in mobility limitations...
March 13, 2017: Health Psychology Review
https://www.readbyqxmd.com/read/28273263/-chronic-undernourishment-in-school-aged-children-itineraries-of-nutritional-neglect-and-official-programs-in-indigenous-communities-of-guerrero-mexico
#12
Paul Hersch-Martínez, Julio Pisanty-Alatorre
Through the analysis of different elements of the nutritional dynamics in a predominantly indigenous municipality in Guerrero, Mexico, we explore the relevance of the concept of itineraries of nutritional neglect in order to broaden the understanding of avoidable health damage. In the framework of a process of accompaniment of the Health Commission of the Regional Coordination of Community Authorities - Community Police, the following methodological strategies were applied throughout the year 2015: a) a review of official programs by means of the analysis of technical documents and interviews with health personnel; b) the compilation of local narratives from families of undernourished children through interviews and participatory observation; c) the somatometric measurement of 151 children in three elementary schools...
October 2016: Salud Colectiva
https://www.readbyqxmd.com/read/28271845/syndemics-and-the-biosocial-conception-of-health
#13
REVIEW
Merrill Singer, Nicola Bulled, Bayla Ostrach, Emily Mendenhall
The syndemics model of health focuses on the biosocial complex, which consists of interacting, co-present, or sequential diseases and the social and environmental factors that promote and enhance the negative effects of disease interaction. This emergent approach to health conception and clinical practice reconfigures conventional historical understanding of diseases as distinct entities in nature, separate from other diseases and independent of the social contexts in which they are found. Rather, all of these factors tend to interact synergistically in various and consequential ways, having a substantial impact on the health of individuals and whole populations...
March 4, 2017: Lancet
https://www.readbyqxmd.com/read/28270255/a-qualitative-analysis-of-the-spontaneous-volunteer-response-to-the-2013-sudan-floods-changing-the-paradigm
#14
Amin Albahari, Carl H Schultz
Introduction While the concept of community resilience is gaining traction, the role of spontaneous volunteers during the initial response to disasters remains controversial. In an attempt to resolve some of the debate, investigators examined the activities of a spontaneous volunteer group called Nafeer after the Sudan floods around the city of Khartoum in August of 2013. Hypothesis Can spontaneous volunteers successfully initiate, coordinate, and deliver sustained assistance immediately after a disaster? METHODS: This retrospective, descriptive case study involved: (1) interviews with Nafeer members that participated in the disaster response to the Khartoum floods; (2) examination of documents generated during the event; and (3) subsequent benchmarking of their efforts with the Sphere Handbook...
March 8, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28263526/bioindicators-of-wastewater-ecotoxicity
#15
Gabriela Jirova, Zdenka Wittlingerova, Magdalena Zimova, Alena Vlkova, Martina Wittlerova, Marketa Dvorakova, Dagmar Jirova
Wastewater, especially containing hospital effluents, exhibits high chemical complexity and specificity since it includes various chemicals, biocides, pharmaceuticals, surfactants, radionuclides, disinfectants and pathogens. Biological tests provide true evidence of the wastewater quality and unlike chemical analytical tests show comprehensive pollution effects on the environment and human health. Normalized conventional bioassays are not sensitive enough for ecotoxicological evaluation of wastewater and there is a great need for the development of suitable sensitive bioassays in order to characterize properly the residual toxicity of treated effluents...
December 18, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28257942/the-application-of-defaults-to-optimize-parents-health-based-choices-for-children
#16
Katharine L Loeb, Cynthia Radnitz, Kathleen Keller, Marlene B Schwartz, Sue Marcus, Richard N Pierson, Michael Shannon, Danielle DeLaurentis
Optimal defaults is a compelling model from behavioral economics and the psychology of human decision-making, designed to shape or "nudge" choices in a positive direction without fundamentally restricting options. The current study aimed to test the effectiveness of optimal (less obesogenic) defaults and parent empowerment priming on health-based decisions with parent-child (ages 3-8) dyads in a community-based setting. Two proof-of-concept experiments (one on breakfast food selections and one on activity choice) were conducted comparing the main and interactive effects of optimal versus suboptimal defaults, and parent empowerment priming versus neutral priming, on parents' health-related choices for their children...
February 28, 2017: Appetite
https://www.readbyqxmd.com/read/28251040/analytic-complexity-and-challenges-in-identifying-mixtures-of-exposures-associated-with-phenotypes-in-the-exposome-era
#17
REVIEW
Chirag J Patel
PURPOSE OF REVIEW: Mixtures, or combinations and interactions between multiple environmental exposures, are hypothesized to be causally linked with disease and health-related phenotypes. Established and emerging molecular measurement technologies to assay the exposome, the comprehensive battery of exposures encountered from birth to death, promise a new way of identifying mixtures in disease in the epidemiological setting. In this opinion, we describe the analytic complexity and challenges in identifying mixtures associated with phenotype and disease...
2017: Current Epidemiology Reports
https://www.readbyqxmd.com/read/28247281/assessment-of-soil-quality-index-for-wheat-and-sugar-beet-cropping-systems-on-an-entisol-in-central-anatolia
#18
Cevdet Şeker, Hasan Hüseyin Özaytekin, Hamza Negiş, İlknur Gümüş, Mert Dedeoğlu, Emel Atmaca, Ümmühan Karaca
The sustainable use of agricultural lands is significantly affected by the implemented management and land processing methods. In sugar beet and wheat cropping, because the agronomic characteristics of plants are different, the tillage methods applied also exhibit significant variability. Soil quality concept is used, as a holistic approach to determining the effects of these applications on the sustainable use of soil. Agricultural soil quality evaluation is essential for economic success and environmental stability in rapidly developing regions...
April 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28228144/incorporating-one-health-into-medical-education
#19
Peter M Rabinowitz, Barbara J Natterson-Horowitz, Laura H Kahn, Richard Kock, Marguerite Pappaioanou
One Health is an emerging concept that stresses the linkages between human, animal, and environmental health, as well as the need for interdisciplinary communication and collaboration to address health issues including emerging zoonotic diseases, climate change impacts, and the human-animal bond. It promotes complex problem solving using a systems framework that considers interactions between humans, animals, and their shared environment. While many medical educators may not yet be familiar with the concept, the One Health approach has been endorsed by a number of major medical and public health organizations and is beginning to be implemented in a number of medical schools...
February 23, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28225911/clean-air-matters-an-overview-of-traffic-related-air-pollution-and-pregnancy
#20
Anne Dorothée Slovic, Carmen Simone Diniz, Helena Ribeiro
The right to a healthy pregnancy and to giving birth in a safe environment is source of comprehensive research. Decent birth facilities, respect, and no discrimination are already recognized as fundamental rights, but an accurate look at the outdoor environment is required. Air pollution is a dangerous factor to pregnant women and newborns, many of whom highly exposed to traffic-related atmospheric pollutants in urban areas. Such exposure can lead to low birth weight and long-lasting effects, such as respiratory diseases and premature death...
February 16, 2017: Revista de Saúde Pública
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