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https://www.readbyqxmd.com/read/28273805/fructose%C3%A2-and%C3%A2-nafld-%C3%A2-the%C3%A2-multifaceted%C3%A2-aspects%C3%A2-of%C3%A2-fructose%C3%A2-metabolism
#1
REVIEW
Prasanthi Jegatheesan, Jean-Pascal De Bandt
Among various factors, such as an unhealthy diet or a sedentarity lifestyle, excessive fructose consumption is known to favor nonalcoholic fatty liver disease (NAFLD), as fructose is both a substrate and an inducer of hepatic de novo lipogenesis. The present review presents some well-established mechanisms and new clues to better understand the pathophysiology of fructose-induced NAFLD. Beyond its lipogenic effect, fructose intake is also at the onset of hepatic inflammation and cellular stress, such as oxidative and endoplasmic stress, that are key factors contributing to the progression of simple steatosis to nonalcoholic steatohepatitis (NASH)...
March 3, 2017: Nutrients
https://www.readbyqxmd.com/read/28273211/spirometry-reference-values-in-the-brazilian-population
#2
R Rufino, C H Costa, A J Lopes, A I Maiworm, K Maynard, L M R A Silva, R M Dias
The aim of the present study was to provide new spirometry reference equations in a sample of the Brazilian population for the following parameters: forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), FEV1/FVC ratio, peak of expiratory flow (PEF), forced expiratory flow at 50% (FEF50%), 75% average vital capacity (FEF25-75%), and average forced expiratory flow time (FEFT). This was a prospective study using results from chest radiographs, electrocardiograms, and questionnaires to investigate the participants' respiratory symptoms, sedentarism, and comorbidities (Charlson comorbidity index)...
March 2, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28270544/sedentary-behavior-is-an-independent-predictor-of-mortality-in-subjects-with-copd
#3
Karina C Furlanetto, Leila Donária, Lorena P Schneider, José R Lopes, Marcos Ribeiro, Karen B P Fernandes, Nidia A Hernandes, Fabio Pitta
BACKGROUND: The terms sedentary behavior and physical inactivity have been confusingly mixed. Although the association between physical inactivity and mortality has been shown previously in subjects with COPD, this association had not yet been investigated with regard to sedentarism. The aim of this work was to investigate the impact of sedentary behavior on mortality of subjects with COPD and to propose a cutoff point of sedentarism with prognostic value. METHODS: In this retrospective cohort study, sedentary behavior was assessed with 2 activity monitors (DynaPort and Sensewear armband) in 101 subjects with COPD from 2006 to 2011...
March 7, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28260201/standing-economy-does-the-heterogeneity-in-the-energy-cost-of-posture-maintenance-reside-in-differential-patterns-of-spontaneous-weight-shifting
#4
Jennifer L Miles-Chan, Elie-Jacques Fares, Redina Berkachy, Philippe Jacquet, Laurie Isacco, Yves Schutz, Jean-Pierre Montani, Abdul G Dulloo
PURPOSE: Due to sedentarity-associated disease risks, there is much interest in methods to increase low-intensity physical activity. In this context, it is widely assumed that altering posture allocation can modify energy expenditure (EE) to impact body-weight regulation and health. However, we have recently shown the existence of two distinct phenotypes pertaining to the energy cost of standing-with most individuals having no sustained increase in EE during steady-state standing relative to sitting comfortably...
March 4, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28245253/physical-activity-levels-duration-pattern-and-adherence-to-who-recommendations-in-german-adults
#5
Agnes Luzak, Margit Heier, Barbara Thorand, Michael Laxy, Dennis Nowak, Annette Peters, Holger Schulz
BACKGROUND: Intensity and duration of physical activity are associated with the achievement of health benefits. Our aim was to characterize physical activity behavior in terms of intensity, duration pattern, and adherence to the WHO physical activity recommendations in a population-based sample of adults from southern Germany. Further, we investigated associations between physical activity and sex, age, and body mass index (BMI), considering also common chronic diseases. METHODS: We analyzed 475 subjects (47% males, mean age 58 years, range 48-68 years) who wore ActiGraph accelerometers for up to seven days...
2017: PloS One
https://www.readbyqxmd.com/read/28210894/expansion-of-sugarcane-monoculture-associated-impacts-and-management-measures-in-the-semi-arid-east-african-rift-valley-ethiopia
#6
Solomon A Beza, Mohammed A Assen
The study examined the expansion of sugarcane monoculture over the period 1957-2010 and its implications for land degradation and land management measures in the semi-arid northern Main Ethiopian Rift Valley. It used multi-scale and multi-temporal imageries aided by qualitative surveying to investigate the dynamics of land use and cover changes. The study applied both a pixel-based supervised classification and feature extraction methods at subclass levels and merged them into major compatible and comparable land use and cover groups...
March 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28160025/hypodynamia-alters-bone-quality-and-trabecular-microarchitecture
#7
Eric Aguado, Guillaume Mabilleau, Eric Goyenvalle, Daniel Chappard
Disuse induces a rapid bone loss in humans and animals; hypodynamia/sedentarity is now recognized as a risk factor for osteoporosis. Hypodynamia also decreases bone mass but its effects are largely unknown and only few animal models have been described. Hypodynamic chicken is recognized as a suitable model of bone loss but the effects on the quality have not been fully explored. We have used ten chickens bred in a large enclosure (FREE group); ten others were confined in small cages with little space to move around (HYPO group)...
February 3, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/27979503/effect-of-physical-training-on-the-recovery-of-acute-exercise-among-patients-with-cardiovascular-disease
#8
Marianna García-Saldivia, Hermes Ilarraza-Lomelí, Jonathan Myers, Jorge Lara, Leopoldo Bueno
INTRODUCTION: Physical training programs (PTP) have shown several beneficial effects for patients with cardiovascular disease (CVD), particularly by increasing survival and quality of life. Physiological response during the effort and recovery phases of an exercise testing, is one of the strongest prognostic markers among patients with CVD. A reasonable mechanism that explains those training effects on survival is through the adaptations seen on heart rate recovery (HRR) and oxygen uptake kinetics at the post-exertional phase (RVO2)...
December 12, 2016: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/27966570/passive-and-active-roles-of-fat-free-mass-in-the-control-of-energy-intake-and-body-composition-regulation
#9
REVIEW
A G Dulloo, J Jacquet, J L Miles-Chan, Y Schutz
While putative feedback signals arising from adipose tissue are commonly assumed to provide the molecular links between the body's long-term energy requirements and energy intake, the available evidence suggests that the lean body or fat-free mass (FFM) also plays a role in the drive to eat. A distinction must, however, be made between a 'passive' role of FFM in driving energy intake, which is likely to be mediated by 'energy-sensing' mechanisms that translate FFM-induced energy requirements to energy intake, and a more 'active' role of FFM in the drive to eat through feedback signaling between FFM deficit and energy intake...
December 14, 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27966063/effects-of-neighborhood-walkability-on-physical-activity-and-sedentary-behavior-long-term-post-bariatric-surgery
#10
Ryan E R Reid, Tamara E Carver, Tyler G R Reid, Marie-Aude Picard-Turcot, Kathleen M Andersen, Nicolas V Christou, Ross E Andersen
ᅟ: Chronic inactivity and weight regain are serious health concerns following bariatric surgery. Neighborhood walkability is associated with higher physical activity and lower obesity rates in normal weight populations. PURPOSE: Explore the influence of neighborhood walkability on physical activity and sedentarism among long-term post-bariatric surgery patients. METHODS: Fifty-eight adults aged 50.5 ± 9.1 years, with a BMI of 34.6 ± 9.7 kg/m(2) having undergone surgery 9...
December 13, 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27871267/sedentary-lifestyle-and-its-associated-factors-among-adolescents-from-public-and-private-schools-of-a-brazilian-state-capital
#11
Flávia Miquetichuc Nogueira Nascente, Thiago Veiga Jardim, Maria do Rosário Gondim Peixoto, Carolina de Souza Carneiro, Karla Lorena Mendonça, Thaís Inácio Rolim Póvoa, Ana Luiza Lima Sousa, Weimar Kunz Sebba Barroso, Paulo César Brandão Veiga Jardim
BACKGROUND: Adolescence is a transition stage between childhood and adulthood and is an important phase for the acquisition of future lifestyles, including the practice of physical activity (PA). The prevalence of sedentary lifestyle in adolescents is often high, creating the need for studies addressing the practice of PA and its associated factors for a better understanding of the phenomenon and possible interventions that would encourage positive changes. METHODS: Cross-sectional study of a representative sample of students aged 14-18 years enrolled in both public and private schools of a large Brazilian city to determine the level of physical activity (PA) and its associated factors...
November 21, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27812092/living-at-higher-altitude-and-incidence-of-overweight-obesity-prospective-analysis-of-the-sun-cohort
#12
Jesús Díaz-Gutiérrez, Miguel Ángel Martínez-González, Juan José Pons Izquierdo, Pedro González-Muniesa, J Alfredo Martínez, Maira Bes-Rastrollo
BACKGROUND: Residence at high altitude has been associated with lower obesity rates probably due to hypoxia conditions. However, there is no evidence of this association in a free-living population. OBJECTIVES: We assessed the association between the altitude where each participant of a Spanish cohort (the SUN Project) was living and the incidence of overweight/obesity. METHODS: The SUN Project is a dynamic, prospective, multipurpose cohort of Spanish university graduates with a retention rate of 89%...
2016: PloS One
https://www.readbyqxmd.com/read/27608689/prevalence-of-risk-factors-of-diabetes-among-urban-poor-south-indian-population
#13
A Vigneswari, R Manikandan, K Satyavani, S Archana, R Rajeswari, Vijay Viswanathan
OBJECTIVE: The objective of the study was to assess the prevalence of risk factors of diabetes among urban poor population in Chennai, Tamil Nadu, South India. STUDY AND METHODS: A cross-sectional study was conducted from Dec-2010 to Feb-2011 in Chennai city. Five hundred twenty-nine subjects aged above 18 years (409 women and 120 men) habitants of three slums were randomly selected. A structured questionnaire was used to collect the socio-demographic and clinical information...
October 2015: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27603890/-cancer
#14
Roberto de la Peña-López, Yuly Andrea Remolina-Bonilla
Cancer is a group of diseases which represents a significant public health problem in Mexico and worldwide. In Mexico neoplasms are the second leading cause of death. An increased morbidity and mortality are expected in the next decades. Several preventable risk factors for cancer development have been identified, the most relevant including tobacco use, which accounts for 30% of the cancer cases; and obesity, associated to another 30%. These factors, in turn, are related to sedentarism, alcohol abuse and imbalanced diets...
September 2016: Gaceta Médica de México
https://www.readbyqxmd.com/read/27491574/impact-of-physical-activity-and-sedentarism-on-hydration-status-and-liquid-intake-in-spanish-older-adults-the-physmed-study
#15
Raquel Aparicio-Ugarriza, Raquel Luzardo-Socorro, Gonzalo Palacios, María Del Mar Bibiloni, Alicia Julibert, Josep Antoni Tur, Marcela González-Gross
INTRODUCTION: Data on hydration status in older adults are scarce and there are very few studies focusing on the impact of physical activity (PA) on drinking behavior. OBJECTIVE: To assess the impact of physical activity and sedentarism on fluid intake in Spanish elderly. METHODS: 433 non-institutionalized Spanish older adults (58% females), aged 55-88 years, volunteered for the PHYSMED study. PA data were obtained by means of the Minnesota and EXERNET questionnaires...
July 13, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/27485957/-impact-of-physical-activity-and-sedentarism-on-hydration-status-and-liquid-intake-in-spanish-older-adults-the-physmed-study
#16
Raquel Aparicio-Ugarriza, Raquel Luzardo-Socorro, Gonzalo Palacios, María Del Mar Bibiloni, Alicia Julibert, Josep Antoni Tur, Marcela González-Gross
INTRODUCTION: Data on hydration status in older adults are scarce and there are very few studies focusing on the impact of physical activity (PA) on drinking behavior. OBJECTIVE: To assess the impact of physical activity and sedentarism on fluid intake in Spanish elderly. METHODS: 433 non-institutionalized Spanish older adults (58% females), aged 55-88 years, volunteered for the PHYSMED study. PA data were obtained by means of the Minnesota and EXERNET questionnaires...
2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/27474415/body-fat-percentage-is-more-associated-with-low-physical-fitness-than-with-sedentarism-and-diet-in-male-and-female-adolescents
#17
Teresa Garcia-Pastor, Juan Jose Salinero, Daniel Sanz-Frias, German Pertusa, Juan Del Coso
BACKGROUND: Obesity is a multifactorial disease and our understanding of this disease is still incomplete. PURPOSE: The aim of this investigation was to examine the associations between body fat percentage and physical fitness, diet and active/sedentary behaviors in female and male adolescents. METHODS: A cross-sectional study was carried out on a sample of 1389 Spanish adolescents (706 boys and 683 girls) aged between 14 and 17years. Individual body fat percentage was measured by means of bioelectrical impedance analysis and participants' physical fitness was determined by measuring cardiorespiratory fitness (20-m shuttle run test), muscular strength (handgrip dynamometry), muscular endurance (curl-up and 90° push up repetition tests) and muscular flexibility (sit-and-reach test)...
October 15, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/27444663/-impact-of-physical-activity-and-sedentarism-on-hydration-status-and-liquid-intake-in-spanish-older-adults-the-physmed-study
#18
Raquel Aparicio-Ugarriza, Raquel Luzardo-Socorro, Gonzalo Palacios, María Del Mar Bibiloni, Alicia Julibert, Josep Antoni Tur, Marcela González-Gross
INTRODUCTION: Data on hydration status in older adults are scarce and there are very few studies focusing on the impact of physical activity (PA) on drinking behavior. OBJECTIVE: To assess the impact of physical activity and sedentarism on fluid intake in Spanish elderly. METHODS: 433 non-institutionalized Spanish older adults (58% females), aged 55-88 years, volunteered for the PHYSMED study. PA data were obtained by means of the Minnesota and EXERNET questionnaires...
2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/27362523/disentangling-effects-of-socioeconomic-status-on-obesity-a-cross-sectional-study-of-the-spanish-adult-population
#19
María Merino Ventosa, Rosa M Maria Merino Ven Gmail Com Urbanos-Garrido
This paper complements previous estimations regarding socioeconomic inequalities in obesity for Spanish adults, and provides new evidence about the mechanisms through which socioeconomic status (SES) affects obesity. Microdata from the Spanish National Health Survey (SNHS) 2011-2012 are analysed. Corrected concentration indices (CCI) are calculated to measure inequality. Path analysis is employed to disentangle direct and indirect effects of SES on obesity, where dietary patterns, physical activity and sleep habits act as mediator variables...
September 2016: Economics and Human Biology
https://www.readbyqxmd.com/read/27285352/physical-activity-overcomes-the-effects-of-cumulative-work-time-on-hypertension-prevalence-among-brazilian-taxi-drivers
#20
Marcelo C Vieira, Sandro Sperandei, Arianne C Reis
BACKGROUND: The aim of this study was to assess the physical activity profile of taxi drivers and its relationship with hypertension prevalence in this group of workers. METHODS: Cross sectional exploratory study. Between November 2008 and April 2009, 491 taxi drivers from Rio de Janeiro, Brazil, answered a questionnaire focusing on previous hypertension diagnosis, occupational characteristics and physical activity habits. Two logistic models were developed to determine risk factors related to hypertension and to find variables associated with a higher probability of sedentarism...
May 2016: Journal of Sports Medicine and Physical Fitness
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