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Nutrition epidemiology

Hamidreza Roohafza, Ammar Hassanzadeh Keshteli, Hamed Daghaghzadeh, Hamid Afshar, Zahra Erfani, Peyman Adibi
BACKGROUND: The frequency and the perceived intensity of life stressors, coping strategies, and social supports are very important in everybody's well-being. This study intended to estimate the relation of irritable bowel syndrome (IBS) and these factors. MATERIALS AND METHODS: This was a cross-sectional study carried out in Isfahan on 2013. Data were extracted from the framework of the study on the epidemiology of psychological, alimentary health, and nutrition...
2016: Advanced Biomedical Research
Ana Rosa Cunha, Jenifer D'El-Rei, Fernanda Medeiros, Bianca Umbelino, Wille Oigman, Rhian M Touyz, Mario F Neves
BACKGROUND: Epidemiological studies demonstrate an inverse association between serum magnesium and incidence of cardiovascular disease. Diuretics commonly cause hypomagneseamia. METHOD: We evaluated effects of magnesium supplementation on blood pressure (BP) and vascular function in thiazide-treated hypertensive women in a randomized, double-blind, clinical trial. Hypertensive women (40-65 years) on hydrochlorothiazide and mean 24-h BP at least 130/80 mmHg were divided into placebo and supplementation (magnesium chelate 600 mg/day) groups...
October 18, 2016: Journal of Hypertension
N Sawada, M Inoue, M Iwasaki, T Yamaji, T Shimazu, S Sasazuki, S Tsugane
BACKGROUND/OBJECTIVES: Although vitamin D has been experimentally reported to inhibit tumorigenesis, cell growth and prostate cancer invasion, epidemiologic data regarding prostate cancer risk are inconsistent, and some studies have suggested positive but nonsignificant associations. Further, the impact of vitamin D on prostate cancer between Western and Japanese populations may differ due to different plasma vitamin D levels. SUBJECTS/METHODS: We performed a nested case-control study within the Japan Public Health Center-based Prospective (JPHC) Study in 14,203 men (40-69 years) who answered a self-administered questionnaire at baseline (1990-1994) and gave blood samples, and were followed until 2005...
October 19, 2016: European Journal of Clinical Nutrition
Satya P Sharma, Hea J Chung, Hyeon J Kim, Seong T Hong
Obesity is exponentially increasing regardless of its preventable characteristics. The current measures for preventing obesity have failed to address the severity and prevalence of obesity, so alternative approaches based on nutritional and diet changes are attracting attention for the treatment of obesity. Fruit contains large amounts of simple sugars (glucose, fructose, sucrose, etc.), which are well known to induce obesity. Thus, considering the amount of simple sugars found in fruit, it is reasonable to expect that their consumption should contribute to obesity rather than weight reduction...
October 14, 2016: Nutrients
Hiroshi Itoh
Many hypertension guidelines have been published mainly from Western countries to standardize the management of hypertension all over the world, however, the significance of hypertension, along with other cardio-metabolic risks, such as obesity, diabetes or dyslipidemia should differ among different races. This paper compares the relevance of hypertension, one of the most important cardio-metabolic risk factors, in Asian and Western societies.1) Low target level of blood pressure control for diabetic hypertensives in JapanIn the Japanese Society of Hypertension Guidelines for the management of Hypertension (JSH2014), the target of blood pressure (BP) control in hypertensive patients with diabetes was set as < 130/80 mmHg...
September 2016: Journal of Hypertension
Patricio Lopez-Jaramillo
Cardiovascular diseases (CVD) are major causes of death and illness worldwide. In recent decades an increased prevalence of CVD mortality has been reported in low-medium income countries, which has been associated with changes in life styles, deficiencies in health systems and the persistence of social inequities.The metabolic syndrome comprises a cluster of cardiometabolic risk factors, with insulin resistance and increased adiposity as its central features. Identifying individuals with metabolic syndrome is important due to its association with an increased risk of coronary heart disease and type 2 diabetes mellitus (DM2)...
September 2016: Journal of Hypertension
Johanna Freese, Mihaela Pricop-Jeckstadt, Thorsten Heuer, Matthias Clemens, Heiner Boeing, Sven Knüppel, Ute Nöthlings
Next to the information on frequency of food consumption, information on consumption-day amounts is important to estimate usual dietary intake in epidemiological studies. Our objective was to identify determinants of consumption-day amounts to derive person-specific standard consumption-day amounts applicable for the estimation of usual dietary intake using separate sources to assesss information on consumption probability and amount consumed. 24-h Dietary recall data from the German National Nutrition Survey II (n = 8522; aged 20-80 years) conducted between 2005 and 2007 were analysed for determinants of consumption-day amounts of thirty-eight food and beverage groups using LASSO variable selection for linear mixed-effects models...
2016: Journal of Nutritional Science
Ye Yuan, John D Meeker, Kelly K Ferguson
Exposure to polybrominated diphenyl ethers (PBDEs) has been associated with various adverse health outcomes related to liver, neural and endocrine systems. Some of these may be the result of PBDE-induced oxidative stress or inflammation, but these associations have been explored minimally in humans. In the present study we examined the relationship between PBDE concentrations and biomarkers of oxidative stress and inflammation measured in blood samples among a representative US sample from the National Health and Nutrition Examination Survey...
October 14, 2016: Science of the Total Environment
M Carmen Crespo, Francesco Visioli
Some epidemiological studies suggest that increased consumption of anthocyanins is associated with lower risk of cardiovascular disease (CVD) and hypertension. Also, high consumption of anthocyanin-rich fruit, such as berries, is associated with a lower risk of developing type 2 diabetes (T2D). In this review, we briefly yet critically assess the available evidence in support of an anti-diabetic role of anthocyanins derived from berries, especially bilberry (Vaccinium myrtillus L., also known as European blueberry, whortleberry, huckleberry and blaeberry) and blueberry (Vaccinium corymbosum, native to the United States)...
October 10, 2016: Current Pharmaceutical Design
Valentina A Andreeva, Valérie Deschamps, Benoît Salanave, Katia Castetbon, Charlotte Verdot, Emmanuelle Kesse-Guyot, Serge Hercberg
Despite some advantages over traditional methods, Web-based studies elicit concerns about generalizability. To address this issue, we compared dietary intakes between an electronic (e-) cohort study and a nationally representative survey. We studied 49,443 French volunteers aged 18-74 years recruited during 2009-2010 in the NutriNet-Santé Study, a general population-based e-cohort study. The Etude Nationale Nutrition Santé (ENNS; 2006-2007), a cross-sectional study with a nationally representative sample of 2,754 French adults aged 18-74 years, served as the reference data set...
October 15, 2016: American Journal of Epidemiology
Eugene Kobyliansky, Dmitry Torchinsky, Leonid Kalichman, David Karasik
BACKGROUND: To our knowledge, there are no experimental studies that have addressed the effects of starvation on the maintenance of telomere length. Two epidemiologic studies that have addressed this topic gave controversial results. OBJECTIVE: We characterized leukocyte telomere length (LTL) in a Chuvash population that was comprised of survivors of the mass famine of 1922-1923 and in these survivors' descendants. DESIGN: The tested cohort consisted of native Chuvash men (n = 687) and women (n = 647) who were born between 1909 and 1980 and who resided in small villages in the Chuvash Republic of the Russian Federation...
October 12, 2016: American Journal of Clinical Nutrition
(no author information available yet)
BACKGROUND: Healthy life expectancy (HALE) and disability-adjusted life-years (DALYs) provide summary measures of health across geographies and time that can inform assessments of epidemiological patterns and health system performance, help to prioritise investments in research and development, and monitor progress toward the Sustainable Development Goals (SDGs). We aimed to provide updated HALE and DALYs for geographies worldwide and evaluate how disease burden changes with development...
October 8, 2016: Lancet
(no author information available yet)
BACKGROUND: Non-fatal outcomes of disease and injury increasingly detract from the ability of the world's population to live in full health, a trend largely attributable to an epidemiological transition in many countries from causes affecting children, to non-communicable diseases (NCDs) more common in adults. For the Global Burden of Diseases, Injuries, and Risk Factors Study 2015 (GBD 2015), we estimated the incidence, prevalence, and years lived with disability for diseases and injuries at the global, regional, and national scale over the period of 1990 to 2015...
October 8, 2016: Lancet
(no author information available yet)
BACKGROUND: Improving survival and extending the longevity of life for all populations requires timely, robust evidence on local mortality levels and trends. The Global Burden of Disease 2015 Study (GBD 2015) provides a comprehensive assessment of all-cause and cause-specific mortality for 249 causes in 195 countries and territories from 1980 to 2015. These results informed an in-depth investigation of observed and expected mortality patterns based on sociodemographic measures. METHODS: We estimated all-cause mortality by age, sex, geography, and year using an improved analytical approach originally developed for GBD 2013 and GBD 2010...
October 8, 2016: Lancet
L Dioni, S Sucato, V Motta, S Iodice, L Angelici, C Favero, T Cavalleri, L Vigna, B Albetti, S Fustinoni, P Bertazzi, A Pesatori, V Bollati
BACKGROUND/OBJECTIVES: Epidemiological studies suggest a link between chromium (Cr) status and cardiovascular disease. Increased urinary excretion of Cr was reported in subjects with diabetes compared with non-diabetic controls and those with non-diabetic insulin resistance. Epigenetic alterations have been linked to the presence of Cr, and microRNA (miRNA) expression has been implicated in the pathogenesis of metabolic diseases and cardiovascular diseases (CVDs). We investigated the association between Cr excretion and miRNA expression in leukocytes from obese subjects...
October 12, 2016: European Journal of Clinical Nutrition
Dong-Hun Han, Young-Ho Khang
AIM: The aim of this study was to assess the association between lifecourse socioeconomic position (SEP) indicators and tooth loss in a large representative sample of the Korean adult population. METHODS: Data from the Fourth and Fifth Korea National Health and Nutritional Examination Survey on 17,549 Korean adults aged 50 years or older were analyzed. The study design was cross-sectional. Tooth loss was defined as either edentulism (0 teeth) or severe tooth loss (<20 teeth)...
October 10, 2016: Community Dentistry and Oral Epidemiology
Lee McMichael, Daniel Edson, David Mayer, Alice Broos, Steven Kopp, Joanne Meers, Hume Field
Bats of the genus Pteropus (Pteropodidae), colloquially known as flying foxes, are recognized as the natural reservoir of Hendra virus, a zoonotic paramyxovirus responsible for mortality in horses and humans. Some previous studies have suggested that physiologic and ecologic factors promote Hendra virus infection in flying foxes, and by extension, spillover to horses and humans. However, the impact of Hendra virus infection on relevant physiologic biomarkers in flying foxes has not been measured. Over 12 mo in eastern Australia, we captured and sampled 446 individual black flying foxes ( Pteropus alecto ), a putative primary reservoir host species, and measured a suite of hematologic, plasma biochemistry, and urinary biomarkers...
October 10, 2016: Journal of Wildlife Diseases
Helene McNulty, J J Strain, Catherine F Hughes, Mary Ward
Hypertension is the leading risk factor contributing to mortality worldwide, primarily from cardiovascular disease (CVD), while effective treatment of hypertension is proven to reduce CVD events. Along with the well recognized nutrition and lifestyle determinants, genetic factors are implicated in the development and progression of hypertension. In recent years genome-wide association studies have identified a region near the gene encoding the folate-metabolizing enzyme methylenetetrahydrofolate reductase (MTHFR) among eight loci associated with blood pressure...
October 6, 2016: Molecular Aspects of Medicine
Marisa Morgan, Alok Deoraj, Quentin Felty, Deodutta Roy
BACKGROUND: Estrogen-mimicking endocrine disruptors (EEDs) such as polychlorinated biphenyls (PCBs), bisphenol A (BPA), and phthalates have been found ubiquitously throughout our environment. Although exposure to EEDs has the ability to interfere with endocrine control of reproductive function and development in both humans and wildlife, inconsistent reports have made it difficult to draw conclusions concerning the hypothesized increased risk of breast cancer associated with EEDs. OBJECTIVES: The purpose of this study was to examine the cross-sectional relationship between exposure to PCBs, BPA or phthalates; and risk of breast cancer in U...
October 4, 2016: Molecular and Cellular Endocrinology
Stephen A Wood, James M Armitage, Matthew J Binnington, Frank Wania
A population's exposure to persistent organic pollutants, e.g., polychlorinated biphenyls (PCBs), is typically assessed through national biomonitoring programs, such as the United States National Health and Nutrition Examination Survey (NHANES). To complement statistical methods, we use a deterministic modeling approach to establish mechanistic links between human contaminant concentrations and factors (e.g. age, diet, lipid mass) deemed responsible for the often considerable variability in these concentrations...
September 14, 2016: Environmental Science. Processes & Impacts
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