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Diet and sport

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https://www.readbyqxmd.com/read/28737585/biomarkers-in-sports-and-exercise-tracking-health-performance-and-recovery-in-athletes
#1
Elaine C Lee, Maren S Fragala, Stavros A Kavouras, Robin M Queen, J Luke Pryor, Douglas J Casa
Biomarker discovery and validation is a critical aim of the medical and scientific community. Research into exercise and diet-related biomarkers aims to improve health, performance, and recovery in military personnel, athletes, and lay-persons. Exercise physiology research has identified individual biomarkers for assessing health, performance, and recovery during exercise training. However, there are few recommendations for biomarker panels for tracking changes in individuals participating in physical activity and exercise training programs...
July 19, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28734670/population-health-and-regional-variations-of-disease-burden-in-japan-1990-2015-a-systematic-subnational-analysis-for-the-global-burden-of-disease-study-2015
#2
Shuhei Nomura, Haruka Sakamoto, Scott Glenn, Yusuke Tsugawa, Sarah K Abe, Md M Rahman, Jonathan C Brown, Satoshi Ezoe, Christina Fitzmaurice, Tsuyoshi Inokuchi, Nicholas J Kassebaum, Norito Kawakami, Yosuke Kita, Naoki Kondo, Stephen S Lim, Satoshi Maruyama, Hiroaki Miyata, Meghan D Mooney, Mohsen Naghavi, Tomoko Onoda, Erika Ota, Yuji Otake, Gregory A Roth, Eiko Saito, Takahiro Tabuchi, Yohsuke Takasaki, Tadayuki Tanimura, Manami Uechi, Theo Vos, Haidong Wang, Manami Inoue, Christopher J L Murray, Kenji Shibuya
BACKGROUND: Japan has entered the era of super-ageing and advanced health transition, which is increasingly putting pressure on the sustainability of its health system. The level and pace of this health transition might vary across regions within Japan and concern is growing about increasing regional variations in disease burden. The Global Burden of Diseases, Injuries, and Risk Factors Study 2015 (GBD 2015) provides a comprehensive, comparable framework. We used data from GBD 2015 with the aim to quantify the burden of disease and injuries, and to attribute risk factors in Japan at a subnational, prefecture-level...
July 19, 2017: Lancet
https://www.readbyqxmd.com/read/28706467/ketogenic-diet-benefits-body-composition-and-well-being-but-not-performance-in-a-pilot-case-study-of-new-zealand-endurance-athletes
#3
Caryn Zinn, Matthew Wood, Mikki Williden, Simon Chatterton, Ed Maunder
BACKGROUND: Low-carbohydrate, high-fat and ketogenic diets are increasingly adopted by athletes for body composition and sports performance enhancements. However, as yet, there is no consensus on their efficacy in improving performance. There is also no comprehensive literature on athletes' experiences while undertaking this diet. The purpose of this pilot work was two-fold: i. to examine the effects of a non-calorie controlled ketogenic diet on body composition and performance outcomes of endurance athletes, and ii...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28702900/selected-in-season-nutritional-strategies-to-enhance-recovery-for-team-sport-athletes-a-practical-overview
#4
REVIEW
Lisa E Heaton, Jon K Davis, Eric S Rawson, Ryan P Nuccio, Oliver C Witard, Kimberly W Stein, Keith Baar, James M Carter, Lindsay B Baker
Team sport athletes face a variety of nutritional challenges related to recovery during the competitive season. The purpose of this article is to review nutrition strategies related to muscle regeneration, glycogen restoration, fatigue, physical and immune health, and preparation for subsequent training bouts and competitions. Given the limited opportunities to recover between training bouts and games throughout the competitive season, athletes must be deliberate in their recovery strategy. Foundational components of recovery related to protein, carbohydrates, and fluid have been extensively reviewed and accepted...
July 12, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28699973/healthy-school-happy-school-design-and-protocol-for-a-randomized-clinical-trial-designed-to-prevent-weight-gain-in-children
#5
Daniela Schneid Schuh, Maíra Ribas Goulart, Sandra Mari Barbiero, Caroline D'Azevedo Sica, Raphael Borges, David William Moraes, Lucia Campos Pellanda
Background: Schools have become a key figure for the promotion of health and obesity interventions, bringing the development of critical awareness to the construction and promotion of a healthy diet, physical activity, and the monitoring of the nutritional status in childhood and adolescence. Objectives: To describe a study protocol to evaluate the effectiveness of an intervention designed to improve knowledge of food choices in the school environment. Methods: This is a cluster-randomized, parallel, two-arm study conducted in public elementary and middle schools in Brazil...
June 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28676201/a-novel-wearable-device-for-continuous-non-invasion-blood-pressure-measurement
#6
Qin Xin, Jianping Wu
In this paper, we have developed a wearable cuffless device for daily blood pressure (BP) measurement. We incorporated the light based sensor and other hard wares in a small volume for BP detection. With optimized algorithm, the real-time BP reading could be achieved, the data could be presented in the screen and be transmitted by internet of things (IoT) for history data comparison and multi-terminal viewing. Thus, further analysis provides the probability for diet or sports suggestion and alarm. We have measured BP from more than 60 subjects, compare to traditional mercury blood pressure meter, no obvious error in both systolic blood pressure (SBP) and diastolic blood pressure (DBP) are detected...
May 19, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28672217/do-people-with-epilepsy-have-a-different-lifestyle
#7
Clara Aguirre, Sonia Quintas, Ana María Ruiz-Tornero, Guadalupe Alemán, Ana Betariz Gago-Veiga, María de Toledo, Jose Vivancos
BACKGROUND: Epilepsy is one of the most common neurological diseases. Its high prevalence, economic relevance and impact on daily life make it crucial that we study this condition in further detail. Our study seeks to investigate whether the lifestyle of people diagnosed with epilepsy is different to that of people without epilepsy, in order to better understand our patients. METHODS: We designed and delivered a questionnaire about quality of life and daily habits to patients from our hospital's Epilepsy Unit...
June 30, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28666476/household-food-insecurity-and-dietary-patterns-in-rural-and-urban-american-indian-families-with-young-children
#8
Emily J Tomayko, Kathryn L Mosso, Kate A Cronin, Lakeesha Carmichael, KyungMann Kim, Tassy Parker, Amy L Yaroch, Alexandra K Adams
BACKGROUND: High food insecurity has been demonstrated in rural American Indian households, but little is known about American Indian families in urban settings or the association of food insecurity with diet for these families. The purpose of this study was to examine the prevalence of food insecurity in American Indian households by urban-rural status, correlates of food insecurity in these households, and the relationship between food insecurity and diet in these households. METHODS: Dyads consisting of an adult caregiver and a child (2-5 years old) from the same household in five urban and rural American Indian communities were included...
June 30, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28634965/the-treatment-of-iron-deficiency-without-anaemia-in-otherwise-healthy-persons
#9
German E Clénin
Iron deficiency is the most widespread and frequent nutritional disorder in the world. It affects a high proportion of children and women in developing countries and is also significantly prevalent in the industrialised world, with a clear predominance in adolescents and menstruating females. Iron is essential for optimal cognitive function and physical performance, not only as a binding site of oxygen but also as a critical constituent of many enzymes. Therefore iron deficiency at all its levels - nonanaemic iron deficiency, iron deficiency with microcytosis or hypochromia and iron deficiency anaemia - should be treated...
June 21, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28630601/international-society-of-sports-nutrition-position-stand-diets-and-body-composition
#10
REVIEW
Alan A Aragon, Brad J Schoenfeld, Robert Wildman, Susan Kleiner, Trisha VanDusseldorp, Lem Taylor, Conrad P Earnest, Paul J Arciero, Colin Wilborn, Douglas S Kalman, Jeffrey R Stout, Darryn S Willoughby, Bill Campbell, Shawn M Arent, Laurent Bannock, Abbie E Smith-Ryan, Jose Antonio
Position Statement: The International Society of Sports Nutrition (ISSN) bases the following position stand on a critical analysis of the literature regarding the effects of diet types (macronutrient composition; eating styles) and their influence on body composition. The ISSN has concluded the following. 1) There is a multitude of diet types and eating styles, whereby numerous subtypes fall under each major dietary archetype. 2) All body composition assessment methods have strengths and limitations. 3) Diets primarily focused on fat loss are driven by a sustained caloric deficit...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28628396/differential-in-maximal-aerobic-capacity-by-sex-in-collegiate-endurance-athletes-consuming-a-marginally-low-carbohydrate-diet
#11
Marissa N Baranauskas, Brian Miller, Jordan T Olson, Michelle Boltz, Laura Richardson, Matthew Juravich, Ronald Otterstetter
PURPOSE: Although current sports nutrition recommendations advocate for a high carbohydrate (CHO) intake among endurance athletes, recent research has suggested that training with low CHO availability may augment adaptations to aerobic training. The purpose of this study was to observe the dietary habits of collegiate distance runners and to investigate the effects of habitual CHO intake on aerobic performance [VO2max(post)] during a competitive season. METHODS: During an 8-week trial period, 12 (N = 12) collegiate track athletes recorded their self-selected dietary intake via 24-hour recall...
July 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28579229/residential-exposure-to-traffic-noise-and-leisure-time-sports-a-population-based-study
#12
Nina Roswall, Gunn Ammitzbøll, Jeppe Schultz Christensen, Ole Raaschou-Nielsen, Steen Solvang Jensen, Anne Tjønneland, Mette Sørensen
BACKGROUND: Traffic levels have been found a significant environmental predictor for physical inactivity. A recent study suggested that traffic noise annoyance was associated with lower physical activity. OBJECTIVES: We investigated associations between modelled residential traffic noise and leisure-time sports. METHODS: In the Diet, Cancer and Health cohort, we performed cross-sectional analyses using data from the baseline questionnaire (1993-97), and longitudinal analyses of change between baseline and follow-up (2000-02)...
May 27, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28556687/effects-of-adolescent-sport-practice-on-health-outcomes-of-adult-amateur-endurance-cyclists-adulthood-is-not-too-late-to-start
#13
Diego Munguia-Izquierdo, Carmen Mayolas-Pi, Carlos Peñarrubia-Lozano, Federico Paris-Garcia, Javier Bueno-Antequera, Miguel Angel Oviedo-Caro, Alejandro Legaz-Arrese
BACKGROUND: We investigated the effects of adolescent sport practice on the training, performance, and health outcomes of adult amateur endurance cyclists and compared health outcomes of 3 adult groups: amateur endurance cyclists who practiced sports during adolescence, amateur endurance cyclists who did not practice sports during adolescence, and inactive individuals. METHODS: In 859 (751 men, 108 women) adult cyclists and 718 inactive subjects (307 men, 411 women), we examined adolescent sport practice, current training status, quality of life, quality of sleep, anxiety and depression and cardiometabolic risk: body mass index, physical activity, physical fitness, adherence to Mediterranean diet, and alcohol and tobacco consumption...
May 30, 2017: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/28536601/geneticizing-ethnicity-and-diet-anti-doping-science-and-its-social-impact-in-the-age-of-post-genomics
#14
Jaehwan Hyun
While gene doping and other technological means of sport enhancement have become a topic of ethical debate, a major outcome from genomic research in sports is often linked to the regulation of doping. In particular, researchers within the field of anti-doping science, a regulatory science that aims to develop scientific solutions for regulating doped athletes, have conducted genomic research on anabolic-androgenic steroids. Genomic knowledge on anabolic-androgenic steroids, a knowledge base that has been produced to improve doping regulation, has caused the 'geneticization' of cultural objects such as ethnic identities and dietary habits...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28525992/water-and-beverage-consumption-patterns-among-4-to-13-year-old-children-in-the-united-kingdom
#15
Florent Vieux, Matthieu Maillot, Florence Constant, Adam Drewnowski
BACKGROUND: The UK government has announced a tax on sugar-sweetened beverages. The aim of this study was to assess consumption patterns for plain drinking water relative to sugary beverages among UK children. METHODS: Dietary intake data for 845 children aged 4-13 years came from the nationally representative cross-sectional National Diet and Nutrition Survey, 2008-2011. Beverage categories were drinking water (tap or bottled), milk, 100% fruit juices, soda, fruit drinks, tea, coffee, sports drinks, flavored waters, and liquid supplements...
May 19, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28469746/low-carbohydrate-high-fat-diet-can-it-help-exercise-performance
#16
Chen-Kang Chang, Katarina Borer, Po-Ju Lin
Low-carbohydrate-high-fat (LCHF) diets have been used as a means of weight loss and control of symptoms in several clinical conditions. There is emerging evidence that the metabolic changes induced by LCHF diets enhance endurance performance. The aims of this review are to examine the evidence of LCHF diets in improving various aspects of athletic performance. Long-term LCHF dietary intake may help control body weight and fat mass while maintaining lean body mass in athletes in weight-sensitive sports. LCHF-adapted endurance athletes can reach the maximal fat oxidation rate of approximately 1...
February 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28468271/validation-of-a-general-and-sport-nutrition-knowledge-questionnaire-in-adolescents-and-young-adults-gesnk
#17
Patrizia Calella, Vittorio Maria Iacullo, Giuliana Valerio
Good knowledge of nutrition is widely thought to be an important aspect to maintaining a balanced and healthy diet. The aim of this study was to develop and validate a new reliable tool to measure the general and the sport nutrition knowledge (GeSNK) in people who used to practice sports at different levels. The development of (GeSNK) was carried out in six phases as follows: (1) item development and selection by a panel of experts; (2) pilot study in order to assess item difficulty and item discrimination; (3) measurement of the internal consistency; (4) reliability assessment with a 2-week test-retest analysis; (5) concurrent validity was tested by administering the questionnaire along with other two similar tools; (6) construct validity by administering the questionnaire to three groups of young adults with different general nutrition and sport nutrition knowledge...
April 29, 2017: Nutrients
https://www.readbyqxmd.com/read/28416353/eating-disorders-and-weight-control-behaviors-change-over-a-collegiate-sport-season
#18
Alexandra Thompson, Trent Petrie, Carlin Anderson
OBJECTIVES: Determine whether the prevalence of eating disorder classifications (i.e., clinical eating disorder, subclinical eating disorder, and asymptomatic) and pathogenic weight control behaviors (e.g., bingeing, vomiting) change over a five-month sport season. DESIGN: Longitudinal study. METHODS: Female collegiate gymnasts and swimmers (N=325) completed the Questionnaire for Eating Disorder Diagnoses as well as six items from the Bulimia Test-Revised at Time 1 (two weeks into the beginning of their athletic season) and Time 2 (final two weeks of the athletic season); data collections were separated by five months...
March 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28378849/prediagnostic-enterolactone-concentrations-and-mortality-among-danish-men-diagnosed-with-prostate-cancer
#19
A K Eriksen, C Kyrø, N Nørskov, A K Bolvig, J Christensen, A Tjønneland, K Overvad, R Landberg, A Olsen
BACKGROUND/OBJECTIVES: Evidence on the role of diet in relation to prostate cancer progression is sparse. Foods rich in lignans have shown beneficial effects on prostate cancer progression in both animal studies and small human intervention studies, including beneficial effects on prostate-specific antigen levels and tumour growth. The lignan metabolite, enterolactone, has further shown to slow prostate cancer cell growth in vitro. The aim was to investigate the association between prediagnostic enterolactone concentrations and mortality among men with prostate cancer...
April 5, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28374726/-the-association-between-physical-inactivity-and-other-behavioural-risk-factors-of-the-development-of-chronic-non-communicative-diseases-among-the-students
#20
A P Anishchenko, A N Arkhangel'skaya, D A Pustovalov, E V Rogoznaya, A L Urakov, K G Gurevich
AIM: The objective of the present study was to evaluate the possible association between the physical inactivity and other behavioural risk factors of the development of chronic non- communicable diseases among the young persons. MATERIAL AND METHODS: A total of 216 1-2 grade students at the mean age of 18.8±1.3 years including 136 women and 80 men educated at A.I. Evdokimov Moscow State Medical Stomatological University, Ministry of Health of the Russian Federation, were recruited for the examination...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
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