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https://www.readbyqxmd.com/read/29332372/measurement-and-modeling-of-indoor-radon-concentrations-in-residential-buildings
#1
Ji Hyun Park, Sungim Whang, Hyun Young Lee, Cheol-Min Lee, Dae Ryong Kang
Objectives: Radon, the primary constituent of natural radiation, is the second leading environmental cause of lung cancer after smoking. To confirm a relationship between indoor radon exposure and lung cancer, estimating cumulative levels of exposure to indoor radon for an individual or population is necessary. This study sought to develop a model for estimate indoor radon concentrations in Korea. Especially, our model and method may have wider application to other residences, not to specific site, and can be used in situations where actual measurements for input variables are lacking...
January 8, 2018: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/29301235/factors-associated-with-maintaining-the-mental-health-of-employees-after-the-fukushima-nuclear-disaster-findings-from-companies-located-in-the-evacuation-area
#2
Masatsugu Orui, Yuriko Suzuki, Aya Goto, Seiji Yasumura
After the nuclear disaster in Fukushima on 11 March 2011, some businesses were permitted to continue operating even though they were located in the evacuation area designated by the Japanese government. The aim of this study was to examine differences in the mental health status, workplace, living environment, and lifestyle of employees in the evacuation and non-evacuation areas. We also investigated factors related to their mental health status. Data for this cross-sectional study were collected from the questionnaire responses of 647 employees at three medium-sized manufacturing companies in the evacuation and non-evacuation areas...
December 31, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29297172/radiation-dermatitis-recognition-prevention-and-management
#3
Jonathan Leventhal, Melissa Rasar Young
Radiation therapy (RT) is a frequently used modality for cancer treatment. Acute and/or chronic skin changes may occur and carry risk of influencing quality of life during and after completion of RT. Radiation reactions may lead to delays in treatment, diminished cosmesis, and functional deficits. Lifestyle factors, treatment modalities, topical agents, and, in some cases, wound dressings may be utilized to help prevent or ameliorate radiation-induced skin reactions. While rigorous evidence supporting specific interventions may be lacking or contradictory, this article summarizes the current knowledge of the etiology, manifestations, and interventions available for prevention and management of radiation dermatitis...
December 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/29247169/cardiometabolic-risk-factors-in-childhood-adolescent-and-young-adult-survivors-of-acute-lymphoblastic-leukemia-a-petale-cohort
#4
Emile Levy, Mariia Samoilenko, Sophia Morel, Jade England, Devendra Amre, Laurence Bertout, Simon Drouin, Caroline Laverdière, Maja Krajinovic, Daniel Sinnett, Geneviève Lefebvre, Valérie Marcil
Our objectives were to assess the prevalence of cardiometabolic complications in children, adolescents, and young adult survivors of childhood acute lymphoblastic leukemia (cALL), to identify their predictors and the risk compared to the Canadian population. We performed a cardiometabolic assessment of cALL survivors from the PETALE cohort (n = 247, median age at visit of 21.7 years). In our group, overweight and obesity affected over 70% of women. Pre-hypertension and hypertension were mostly common in men, both adults (20%) and children (19%)...
December 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29236725/roles-of-children-and-their-parents-in-the-reduction-of-radiation-risk-after-the-2011-fukushima-daiichi-nuclear-power-plant-accident
#5
Maya Sophia Fujimura, Yukako Komasa, Shinzo Kimura, Akira Shibanuma, Akiko Kitamura, Masamine Jimba
INTRODUCTION: On March 11, 2011, Japan experienced its largest recorded earthquake with a magnitude of 9.0. The resulting tsunami caused massive damage to the Fukushima Daiichi Nuclear Power Plant reactors, and the surrounding environment was contaminated with radioactive materials. During this period, some residents were exposed to high levels of radiation (up to 5 millisieverts [mSv]), but since then, many residents have been exposed to low levels of radiation (<1 mSv). This study was conducted to assess the effects of lifestyle and attitude factors on external radiation exposure among Fukushima residents...
2017: PloS One
https://www.readbyqxmd.com/read/29235707/tales-from-the-tomb-the-microbial-ecology-of-exposed-rock-surfaces
#6
Tess E Brewer, Noah Fierer
Although a broad diversity of eukaryotic and bacterial taxa reside on rock surfaces where they can influence the weathering of rocks and minerals, these communities and their contributions to mineral weathering remain poorly resolved. To build a more comprehensive understanding of the diversity, ecology, and potential functional attributes of microbial communities living on rock, we sampled 149 tombstones across three continents and analyzed their bacterial and eukaryotic communities via marker gene and shotgun metagenomic sequencing...
December 13, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/29127818/cytokinesis-block-micronucleus-cytome-assay-parameters-in-peripheral-blood-lymphocytes-of-the-general-population-contribution-of-age-sex-seasonal-variations-and-lifestyle-factors
#7
Goran Gajski, Marko Gerić, Višnja Oreščanin, Vera Garaj-Vrhovac
The cytokinesis-block micronucleus cytome (CBMN Cyt) assay was used to evaluate the baseline frequency of cytogenetic damage in peripheral blood lymphocytes of the general population (average age, 38.28 ± 12.83 years) in relation to age, sex, body mass index, seasonal variations (season of sampling, period of sampling and different meteorological parameters) and lifestyle factors (smoking habit, alcohol consumption, exposure to medications and diagnostic radiation, physical activity, and family history of cancer)...
November 8, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29101750/adaptation-of-small-mammals-to-radiocontaminated-environment-oxidative-metabolism-and-radioresistance
#8
L N Rasina, E B Grigorkina, N A Orekhova
Differences in radioresistance and oxidative metabolism parameters in rodents of different ecological specialization in the East Ural radioactive trace (EURT) area are shown. Northern mole voles (radiosensitive species) exhibit a pronounced resistance to chronic exposure to radiation, living in a series of generations in a radioactive environment, whereas pigmy wood mice (radioresistant species) are less resistant in the EURT area due to their migration activity. Thus, under the EURT area conditions, northern mole voles realize the genotypic radioadaptation, whereas pigmy wood mice realize the physiological radioadaptation, the key role in which is played by the ecological and physiological characteristics and the lifestyle of animals...
September 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29076965/mutational-and-epigenetic-signatures-in-cancer-tissue-linked-to-environmental-exposures-and-lifestyle
#9
Vittorio Perduca, Hanane Omichessan, Laura Baglietto, Gianluca Severi
PURPOSE OF REVIEW: In this article, we describe how recent advances in the study of mutational and epigenetic signatures in tumours provide new opportunities to understand the role of the environment and lifestyle in cancer development. RECENT FINDINGS: Cancer-related mutational events have been investigated for decades but only recently the wide availability of genomic sequences and epigenomic data from thousands of cancer genomes has made it possible to identify numerous distinct mutational and epigenetic signatures through the application of advanced mathematical models...
October 25, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28993654/ctenophore-relationships-and-their-placement-as-the-sister-group-to-all-other-animals
#10
Nathan V Whelan, Kevin M Kocot, Tatiana P Moroz, Krishanu Mukherjee, Peter Williams, Gustav Paulay, Leonid L Moroz, Kenneth M Halanych
Ctenophora, comprising approximately 200 described species, is an important lineage for understanding metazoan evolution and is of great ecological and economic importance. Ctenophore diversity includes species with unique colloblasts used for prey capture, smooth and striated muscles, benthic and pelagic lifestyles, and locomotion with ciliated paddles or muscular propulsion. However, the ancestral states of traits are debated and relationships among many lineages are unresolved. Here, using 27 newly sequenced ctenophore transcriptomes, publicly available data and methods to control systematic error, we establish the placement of Ctenophora as the sister group to all other animals and refine the phylogenetic relationships within ctenophores...
November 2017: Nature Ecology & Evolution
https://www.readbyqxmd.com/read/28989763/into-the-dark-patterns-of-middle-ear-adaptations-in-subterranean-eulipotyphlan-mammals
#11
Daisuke Koyabu, Misato Hosojima, Hideki Endo
Evolution of the middle ear ossicles was a key innovation for mammals, enhancing the transmission of airborne sound. Radiation into various habitats from a terrestrial environment resulted in diversification of the auditory mechanisms among mammals. However, due to the paucity of phylogenetically controlled investigations, how middle ear traits have diversified with functional specialization remains unclear. In order to identify the respective patterns for various lifestyles and to gain insights into fossil forms, we employed a high-resolution tomography technique and compared the middle ear morphology of eulipotyphlan species (moles, shrews and hedgehogs), a group that has radiated into various environments, such as terrestrial, aquatic and subterranean habitats...
September 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28983918/how-many-cancer-cases-and-deaths-are-potentially-preventable-estimates-for-australia-in-2013
#12
Louise F Wilson, Annika Antonsson, Adele C Green, Susan J Jordan, Bradley J Kendall, Christina M Nagle, Rachel E Neale, Catherine M Olsen, Penelope M Webb, David C Whiteman
Cancer is a leading cause of disease burden in Australia, particularly fatal burden, accounting for an estimated thirty percent of deaths. Many cancers develop because of exposure to lifestyle and environmental factors that are potentially modifiable. We aimed to quantify the proportions and numbers of cancer deaths and cases in Australia in 2013 attributable to 20 modifiable factors in eight broad groupings that are established causes of cancer, namely: tobacco smoke (smoking and second-hand), dietary factors (low intake of fruit, non-starchy vegetables and dietary fibre; and high intake of red and processed meat), overweight/obesity, alcohol, physical inactivity, solar ultraviolet radiation, infections (seven agents), and reproductive factors (lack of breastfeeding, menopausal hormone therapy use, combined oral contraceptive use)...
October 6, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28977647/attributable-risk-fraction-of-four-lifestyle-risk-factors-of-thyroid-cancer-a-meta-analysis
#13
Hajar Sadeghi, Mohammad Rafei, Masoud Bahrami, AliAkbar Haghdoost, Yazdan Shabani
Background: Lifestyle risk factors such as obesity, overweight, smoking and radiation exposure related to thyroid cancer. This study estimated the amount of excess risk that attributed to risk factors. Methods: Major electronic databases were searched until February 2016. Epidemiological studies addressing the association between lifestyle risk factors and thyroid cancer were enrolled. The results were expressed as ARF with 95% confidence intervals (CIs) using a random-effects-model...
August 9, 2017: Journal of Public Health
https://www.readbyqxmd.com/read/28973710/breast-cancer-survivorship-patient-characteristics-and-plans-for-high-quality-care
#14
REVIEW
Loretta S Loftus, Gerald H Sokol, Christine Laronga
The number of breast cancer survivors has increased and this increase is expected to continue, likely as a result of population and age growth, the implementation of earlier detection strategies, and the development of more effective therapies. Breast cancer treatment requires a multidisciplinary approach with surgery, radiation, chemotherapy, targeted therapy, and hormonal therapy. Breast cancer survivors may develop various long-term adverse effects from these therapies. Care of the survivor may transition eventually to the primary care physician...
October 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28957385/additional-risk-of-diabetes-exceeds-the-increased-risk-of-cancer-caused-by-radiation-exposure-after-the-fukushima-disaster
#15
Michio Murakami, Masaharu Tsubokura, Kyoko Ono, Shuhei Nomura, Tomoyoshi Oikawa
The 2011 Fukushima disaster led to increases in multiple risks (e.g., lifestyle diseases and radiation exposure) and fear among the public. Here, we assessed the additional risks of cancer caused by radiation and diabetes related to the disaster and the cost-effectiveness of countermeasures against these conditions. Our study included residents of the cities of Minamisoma and Soma (10-40 km and 35-50 km north of the Fukushima Daiichi (N° 1) Nuclear Power Station, respectively). We used the loss of life expectancy (LLE) as an indicator to compare risks between radiation exposure and diabetes...
2017: PloS One
https://www.readbyqxmd.com/read/28954497/knowledge-on-neoplastic-diseases-among-young-rural-inhabitants
#16
Anna Lewandowska, Rafał Filip
OBJECTIVE: The objective of the study was to analyze the level of knowledge on tumours and their prevention among rural inhabitants. MATERIAL AND METHODS: The research involved 500 residents of villages in Podkarpackie Province in south-east Poland. The age of the researched ranges from 18-30 years; mean age - 26.96±0.84 (range [18, 30], median 25.95%CI [18, 9, 29, 01]). The researched group was represented in 47.59% by women in 52.41% by men. In order to obtain the research material, a standardized questionnaire was applied which included questions focused mainly on assessment of the level of knowledge on tumours (causes, symptoms, ways of treatment, prevention), as well as questions with both spontaneous and prompted answers...
September 21, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28935893/trap-diversity-and-character-evolution-in-carnivorous-bladderworts-utricularia-lentibulariaceae
#17
Anna Sofia Westermeier, Andreas Fleischmann, Kai Müller, Bastian Schäferhoff, Carmen Rubach, Thomas Speck, Simon Poppinga
Bladderworts (Utricularia, Lentibulariaceae, Lamiales) constitute the largest genus of carnivorous plants but only aquatic species (about one fifth of the genus) have so far been thoroughly studied as to their suction trap functioning. In this study, we comparatively investigated trap biomechanics in 19 Utricularia species to examine correlations between life-forms, trapping mechanisms, and functional-morphological traits. Our investigations show the existence of two functional trap principles (passive trap in U...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28905483/lung-cancer-in-young-women-in-southern-sweden-a-descriptive-study
#18
Ildikó Fritz, Håkan Olsson
INTRODUCTION: Lung cancer, a common malignancy and cause of cancer-related deaths, is strongly linked to several environmental exposures, and thus primarily affects the elderly. Formerly a man's disease, its incidence is rising among women, and lung cancer is now more common in women than men in Sweden. Women are particularly over-represented among young patients. While overall cancer mortality in Europe is decreasing, female lung cancer mortality is increasing. OBJECTIVES: We describe the epidemiological presentation of lung cancer in young Swedish women, aiming to pinpoint its risk factors for young women...
September 14, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28894712/evaluation-of-the-level-of-zinc-and-malondialdehyde-in-basal-cell-carcinoma
#19
Ziba Majidi, Mahmoud Djalali, Mohammad Hasan Javanbakht, Mojtaba Fathi, Mahnaz Zarei, Koorosh Foladsaz
BACKGROUND: Basal Cell Carcinoma (BCC) is one of the most common skin cancers in the world and that use to lifestyle, increasing chemical pollutions, environmental factors and poor nutrition. The most important cause of this cancer is oxidative stress and free radicals so antioxidant activities for the body are so important. The aim of this study was to determine the variation of zinc and (Malondialdehyde) MDA in BCC patients. METHODS: This study has been performed on case and control patients from 2013 to 2014...
August 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28876555/an-overview-of-risk-factors-for-recurrent-breast-cancer
#20
A Mannell
The multidisciplinary management of Breast Cancer (BC) has evolved over the past 50 years: the patient is offered a choice of surgical procedures with or without radiation therapy, cytotoxics and treatments targeting the nuclei of the cancer cells. This has resulted in a reduction of disease recurrence and a significant increase in 5-year survival. But these good results deteriorate over time and almost 20% women with early stage, oestrogen-receptor (ER) positive BC will suffer recurrent cancer at 10 years...
March 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
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