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https://www.readbyqxmd.com/read/27909901/obesity-and-breast-cancer
#1
Renée T Fortner, Verena Katzke, Tilman Kühn, Rudolf Kaaks
The relationship between adiposity and breast cancer risk and prognosis is complex, with associations that differ depending on when body size is assessed (e.g., pre- vs. postmenopausal obesity) and when breast cancer is diagnosed (i.e., pre- vs. postmenopausal disease). Further, the impact of obesity on risk differs by tumor hormone receptor status (e.g., estrogen (ER) and progesterone (PR) receptor) and, among postmenopausal women, use of exogenous hormones (i.e., hormone replacement therapy (HRT)). In the context of these complexities, this review focuses on associations between childhood and adolescent adiposity, general adiposity, weight changes (i...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909900/obesity-and-colorectal-cancer
#2
Carmen Jochem, Michael Leitzmann
There is strong evidence that modifiable lifestyle factors such as obesity play a key role in colorectal carcinogenesis. Epidemiologic data have consistently reported a positive association between obesity and colorectal cancer. The relative risk associated with general obesity (as assessed by BMI) is higher in men than in women and for cancer of the colon than for cancer of the rectum. Abdominal obesity (as assessed by waist circumference (WC) or waist-to-hip ratio) is associated with an increased risk of colorectal cancer in both sexes, with stronger associations for cancer of the colon than for cancer of the rectum...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909377/association-between-body-composition-and-sport-injury-in-canadian-adolescents
#3
Allison M Ezzat, Amy Schneeberg, Mieke Koehoorn, Carolyn A Emery
Purpose: To examine the association between overweight or obesity and sport injury in a population-based sample of Canadian adolescents. Methods: Cross-sectional analyses were performed using the Canadian Community Health Survey (2009-2010), a nationally representative sample (n=12,407) of adolescents aged 12-19 years. Body composition was quantified using BMI, grouping participants into healthy weight, overweight, or obese. The outcome of interest was acute or repetitive strain injury sustained during sport in the previous year...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27906796/cardiovascular-risk-factors-in-adolescents-with-celiac-disease-a-cross-sectional-population-based-study
#4
Amit Assa, Yael Frenkel-Nir, Dorit Tzur, Lior H Katz, Raanan Shamir
BACKGROUND: Recent data have shown that adults with celiac disease (CD) may have a higher prevalence of risk factors for cardiovascular disease (CVD) compared with the general population. Thus, we aimed to investigate the association of CD with CVD risk factors at late adolescence in a cross-sectional population based study. METHODS: A total of 2,001,353 Jewish Israeli adolescents who underwent a general health examination at median age of 17.1y from 1988 to 2015 were included...
November 30, 2016: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/27906646/a-physical-activity-intervention-and-changes-in-body-mass-index-at-a-middle-school-with-a-large-american-indian-population-oklahoma-2004-2009
#5
June E Eichner, Olakunle A Folorunso, William E Moore
School-based interventions can reach children and adolescents and aid in reducing the prevalence of childhood obesity. A physical education class that engaged middle school students in a daily 1-mile walk or run and other team sports was developed in a rural school in southwestern Oklahoma with a large American Indian population. Body mass index z scores decreased among boys and were stable among girls in the intervention group compared with students who did not participate in the intervention. A daily required walk or run may help to establish a physical activity habit with all of its associated benefits...
December 1, 2016: Preventing Chronic Disease
https://www.readbyqxmd.com/read/27905645/-morbidity-profile-among-adolescents-with-down-syndrome
#6
Antonia Cárdenas, María A Paul, Catalina Correa, Sebastián Valderrama, Jaime Cerda, Macarena Lizama
BACKGROUND: There is a paucity of information about morbidity and mortality of adolescents with Down syndrome (DS). AIM: To describe morbidity and mortality of a cohort of Chilean adolescents with DS. MATERIAL AND METHODS: Review of electronic clinical records of 67 ambulatory patients with DS aged 10 to 20 years (37 women), seen between the years 2007 and 2014 in outpatient clinics of a University hospital. RESULTS: The mean age at the last consultation was 13 ± 3 years...
August 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/27904616/effect-of-folic-acid-and-metformin-on-insulin-resistance-and-inflammatory-factors-of-obese-children-and-adolescents
#7
Elham Hashemi Dehkordi, Farnaz Sattari, Abolfazl Khoshdel, Karamali Kasiri
BACKGROUND: Considering the increasing trend of obesity, especially in developing countries such as Iran, and the role of inflammatory factors and insulin resistance (IR) in the occurrence of obesity-related complications as well as the safety of some agents such as folic acid and metformin, this clinical trial was designed to investigate the effect of metformin and folic acid on inflammatory factors and IR among obese children. MATERIALS AND METHODS: In this randomized, double-blind, controlled clinical trial study, sixty obese children aged 6-12 years were enrolled...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27904026/inverse-relationship-between-sleep-duration-and-cardio-ankle-vascular-index-in-children
#8
Noriteru Morita, Isao Kambayashi, Tomoyasu Okuda, Shiro Oda, Shingo Takada, Toshihiro Nakajima, Noriyuki Shide, Hisashi Shinkaiya, Koichi Okita
AIM: Poor sleep has been shown to be associated with the development of cardiovascular risk factors, such as obesity, in both adults and children. This study aimed to investigate the relationship between sleep duration and arterial stiffness indices in Japanese children and early adolescents. METHODS: The data on 102 students (56 males, 46 females; mean age, 11.9±1.8 years) were analyzed. As non-invasive arterial stiffness parameters, the cardio-ankle vascular index (CAVI) and heart-ankle pulse wave velocity (haPWV) were evaluated...
December 1, 2016: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/27903830/early-life-sugar-consumption-affects-the-rat-microbiome-independently-of-obesity
#9
Emily E Noble, Ted M Hsu, Roshonda B Jones, Anthony A Fodor, Michael I Goran, Scott E Kanoski
BACKGROUND: The gut microbiome has been implicated in various metabolic and neurocognitive disorders and is heavily influenced by dietary factors, but there is a paucity of research on the effects of added sugars on the gut microbiome. OBJECTIVE: With the use of a rodent model, our goal was to determine how added-sugar consumption during the juvenile and adolescent phase of development affects the gut microbiome. METHODS: Forty-two juvenile male Sprague-Dawley rats [postnatal day (PND) 26; 50-70 g] were given access to 1 of 3 different 11%-carbohydrate solutions designed to model a range of monosaccharide ratios commonly consumed in sugar-sweetened beverages: 1) 35% fructose:65% glucose, 2) 50% fructose:50% glucose, 3) 65% fructose:35% glucose, and 4) control (no sugar)...
November 30, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27903446/polycystic-ovary-syndrome-an-under-recognized-cause-of-abnormal-uterine-bleeding-in-adolescents-admitted-to-a-children-s-hospital
#10
Sofya Maslyanskaya, Hina J Talib, Jennifer L Northridge, Amanda M Jacobs, Chanelle Coble, Susan M Coupey
STUDY OBJECTIVE: To evaluate whether ovulatory dysfunction due to polycystic ovary syndrome (PCOS) is a common underlying etiology of abnormal uterine bleeding (AUB) in adolescents requiring hospitalization and to explore etiology, treatment and complications of AUB with severe anemia in adolescents. DESIGN: We identified females aged 8 to 20 years admitted to a children's hospital for treatment of AUB from January 2000 to December 2014. Our hospital protocol advises hormonal testing for PCOS and other disorders prior to treatment for AUB...
November 26, 2016: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/27900427/the-impact-of-excess-body-fat-on-bone-remodeling-in-adolescents
#11
L N Mosca, T B L Goldberg, V N da Silva, C S Kurokawa, A C B Rizzo, C C da Silva, A Dos Santos Teixeira, J E Corrente
: The impact of excess body fat on bone remodeling was evaluated in overweight, obese, and extremely obese adolescents. In adolescents with excess weight, it was observed that the higher the bone mineral content and bone mineral density values, the lower the levels of the biomarkers. Nutritional imbalances by excess had a negative effect on bone formation in this stage of life. INTRODUCTION: The aim of this study was to investigate the impact of excess body fat on bone remodeling in adolescents...
November 30, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27899001/drug-interventions-for-the-treatment-of-obesity-in-children-and-adolescents
#12
REVIEW
Emma Mead, Greg Atkinson, Bernd Richter, Maria-Inti Metzendorf, Louise Baur, Nicholas Finer, Eva Corpeleijn, Claire O'Malley, Louisa J Ells
BACKGROUND: Child and adolescent obesity has increased globally, and can be associated with significant short- and long-term health consequences. OBJECTIVES: To assess the efficacy of drug interventions for the treatment of obesity in children and adolescents. SEARCH METHODS: We searched CENTRAL, MEDLINE, Embase, PubMed (subsets not available on Ovid), LILACS as well as the trial registers ICTRP (WHO) and ClinicalTrials.gov. Searches were undertaken from inception to March 2016...
November 29, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27898706/prediction-of-body-mass-index-using-concurrently-self-reported-or-previously-measured-height-and-weight
#13
Zhaohui Cui, June Stevens, Kimberly P Truesdale, Donglin Zeng, Simone French, Penny Gordon-Larsen
OBJECTIVE: To compare alternative models for the imputation of BMIM (measured weight in kilograms/measured height in meters squared) in a longitudinal study. METHODS: We used data from 11,008 adults examined at wave III (2001-2002) and wave IV (2007-2008) in the National Longitudinal Study of Adolescent to Adult Health. Participants were asked their height and weight before being measured. Equations to predict wave IV BMIM were developed in an 80% random subsample and evaluated in the remaining participants...
2016: PloS One
https://www.readbyqxmd.com/read/27898396/computation-of-spatio-temporal-parameters-in-level-walking-using-a-single-inertial-system-in-lean-and-obese-adolescents
#14
Veronica Cimolin, Paolo Capodaglio, Nicola Cau, Manuela Galli, Cristina Santovito, Alessandra Patrizi, Gabriella Tringali, Alessandro Sartorio
In recent years, the availability of low-cost equipment capable of recording kinematic data during walking has facilitated the outdoor assessment of gait parameters, thus overcoming the limitations of three-dimensional instrumented gait analysis (3D-GA). The aim of this study is twofold: firstly, to investigate whether a single sensor on the lower trunk could provide valid spatio-temporal parameters in level walking in normal-weight and obese adolescents compared to instrumented gait analysis (GA); secondly, to investigate whether the inertial sensor is capable of capturing the spatio-temporal features of obese adolescent gait...
November 29, 2016: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/27895689/waist-to-height-ratio-as-a-screening-tool-for-obesity-and-cardiometabolic-risk
#15
REVIEW
Eun-Gyong Yoo
The waist-to-height ratio (WHtR), calculated by dividing the waist circumference (WC) by height, has recently gained attention as an anthropometric index for central adiposity. It is an easy-to-use and less age-dependent index to identify individuals with increased cardiometabolic risk. A WHtR cutoff of 0.5 can be used in different sex and ethnic groups and is generally accepted as a universal cutoff for central obesity in children (aged ≥6 years) and adults. However, the WHtR has not been validated in preschool children, and the routine use of WHtR in children under age 6 is not recommended...
November 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/27890980/bmi-is-a-better-indicator-of-cardiac-risk-factors-as-against-elevated-blood-pressure-in-apparently-healthy-female-adolescents-and-young-adult-students-results-from-a-cross-sectional-study-in-tripura
#16
Surajit Debnath
BACKGROUND: Anthropometric measures are used as indicators of elevated blood pressure, but reported to have variable sensitivity among populations. This study was undertaken to identify the better indicator of Cardiac-risk factors by statistical comparison of BMI, Waist circumference, and Waist to Height (WtHr) ratio in apparently healthy adolescents and young adult female students of Tripura. MATERIALS AND METHODS: A cross-sectional study was conducted in a resource limited setup on 210 apparently healthy female adolescents and young adult students in Tripura...
October 2016: Indian Journal of Community Medicine
https://www.readbyqxmd.com/read/27890604/gender-dimorphism-in-pediatric-osa-is-it-for-real
#17
REVIEW
Pablo E Brockmann, Dorit Koren, Leila Kheirandish-Gozal, David Gozal
In epidemiologic studies focused on adults, obstructive sleep apnea (OSA) has higher prevalence in men than in women. The evidence supporting a gender-related discrepant prevalence of OSA is however much more tenuous in children. Here, we aimed to review the evidence concerning gender- based differences in the prevalence of OSA in children, and if so, to examine the evidence with the intent to identify potential factors that may account for this putative association. Gender-based perception and reporting of clinical manifestations of OSA may be modulated by several social and cultural factors in children...
November 23, 2016: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/27890490/fragmentation-of-daily-rhythms-associates-with-obesity-and-cardiorespiratory-fitness-in-adolescents-the-helena-study
#18
Marta Garaulet, Antonio Martinez-Nicolas, Jonatan R Ruiz, Kenn Konstabel, Idoia Labayen, Marcela González-Gross, Ascensión Marcos, Dénes Molnar, Kurt Widhalm, Jose Antonio Casajús, Stefaan De Henauw, Anthony Kafatos, Christina Breidenassel, Michael Sjöström, Manuel J Castillo, Luis A Moreno, Juan A Madrid, Francisco B Ortega
BACKGROUND & AIMS: Chronobiology studies periodic changes in living organisms and it has been proposed as a promising approach to investigate obesity. We analyze the association of the characteristics of the rest-activity rhythms with obesity, cardiorespiratory fitness and metabolic risk in adolescents from nine European countries. METHODS: 1044 adolescents (12.5-17.5 y) were studied. Circadian health was evaluated by actigraphy with accelerometers (Actigraph GT1M)...
November 5, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27889912/insulin-like-growth-factor-1-and-metabolic-parameters-are-associated-with-non-alcoholic-fatty-liver-disease-in-obese-children-and-adolescents
#19
Shuang Liang, Xiangdeng Cheng, Yanyan Hu, Ruxin Song, Guimei Li
AIM: Few studies have investigated the relationship between paediatric non-alcoholic fatty liver disease (NAFLD) and insulin like growth factor 1 (IGF-1). This study, carried out from July 2013 to September 2015, aimed to fill the gap and added metabolic parameters to the analysis. METHODS: This was a cross-sectional study of 168 obese children and adolescents (84% male), divided into two groups based on the presence (n=90) or absence (n=78) of NAFLD. All participants underwent clinical examinations, anthropometric and laboratory examinations and liver ultrasonography...
November 27, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/27889809/reversal-of-type-2-diabetes-in-youth-who-adhere-to-a-very-low-energy-diet-a-pilot-study
#20
Megan L Gow, Louise A Baur, Nathan A Johnson, Chris T Cowell, Sarah P Garnett
AIMS/HYPOTHESIS: The aim of the study was to investigate whether a very-low-energy diet (VLED) is a feasible and acceptable treatment option for type 2 diabetes in children and adolescents, and whether adherence can lead to rapid weight loss, reversal of type 2 diabetes and reduced liver fat as seen in adult studies. METHODS: Eight participants with type 2 diabetes and obesity, aged 7-16 years, non-medicated (n = 1) or treated with metformin (n = 7) and in some cases insulin (n = 3), followed a VLED (<3360 kJ/day) for 8 weeks, then transitioned to a hypocaloric diet (∼6300 kJ/day) that they followed to 34 weeks...
November 26, 2016: Diabetologia
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