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https://www.readbyqxmd.com/read/27733250/a-human-model-of-dietary-saturated-fatty-acid-induced-insulin-resistance
#1
Juraj Koska, Marlies K Ozias, James Deer, Julie Kurtz, Arline D Salbe, S Mitchell Harman, Peter D Reaven
BACKGROUND: Increased consumption of high-fat diets is associated with the development of insulin resistance and type 2 diabetes. Current models to study the mechanisms of high-fat diet-induced IR in humans are limited by their long duration or low efficacy. In the present study we developed and characterized an acute dietary model of saturated fatty acid-enriched diet induced insulin resistance. METHODS: High caloric diets enriched with saturated fatty acids (SFA) or carbohydrates (CARB) were evaluated in subjects with normal and impaired glucose tolerance (NGT or IGT)...
November 2016: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27490353/-characteristics-of-nutrition-in-competitive-sports-ranging-from-leisure-activities-to-high-performance-athletics
#2
H Braun
Nutrition has a crucial influence on physical and mental performance ability and is an important measure along sidetraining in high-performance athletes. However, this form of nutritionis not applicable for every athlete and in every situation. The question of optimal nutrition requires involvement with the particular type of sports, an athlete's current training stage, and athletes' individual requirements and objectives. Implementation takes time and individual motivation on the part of athletes and the specialist staff who engage intensively with the nutritional needs of athletes...
August 2016: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/26487764/dietary-intake-in-swedish-medical-students-during-2007-2012
#3
Ellinor Fredriksson, Hilde Kristin Brekke, Lars Ellegård
BACKGROUND: The dietary intake in Swedish medical students has been reported for the periods 1987-1993 and 1994-2006. OBJECTIVE: To analyse dietary intake in medical students between 2007 and 2012, in relation to Nordic Nutrition Recommendations, to previous surveys and to a contemporary Swedish population. DESIGN: Nutrient intake was calculated from 3-day food records conducted by 698 medical students. The differences between surveys were evaluated using a t-test and the changes over time by linear regression...
February 2016: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/26223127/-therapeutic-effects-and-mechanisms-of-opuntia-dillenii-haw-on-atherosclerosis-of-rats
#4
Yu-chun Wang, Zhan-peng Qi, Zhen-zhong Liu, Tao Li, Hong-xia Cui, Bao-qing Wang, Na Chi
The research aimed to investigate the therapeutic effects and mechanisms of Opuntia dillenii Haw polysaccharide (OPS) on atherosclerosis of rats. First atherosclerotic rat models were established by high-fat and high-calcium diet. Thirty days later, the rats were treated with low dosage of OPS (0.2 g x kg(-1) x d(-1)) or high dosage of OPS (0.4 g x kg(-1) x d(-1)) by intraperitoneal injection for 60 days continuously. At the end of treatment, thoracic aorta rings were prepared and vasorelaxation of rat thoracic aorta in different experiment groups were determined by using 620M multi wire myograph system in vitro...
April 2015: Yao Xue Xue Bao, Acta Pharmaceutica Sinica
https://www.readbyqxmd.com/read/26178720/diets-with-high-fat-cheese-high-fat-meat-or-carbohydrate-on-cardiovascular-risk-markers-in-overweight-postmenopausal-women-a-randomized-crossover-trial
#5
RANDOMIZED CONTROLLED TRIAL
Tanja K Thorning, Farinaz Raziani, Nathalie T Bendsen, Arne Astrup, Tine Tholstrup, Anne Raben
BACKGROUND: Heart associations recommend limited intake of saturated fat. However, effects of saturated fat on low-density lipoprotein (LDL)-cholesterol concentrations and cardiovascular disease risk might depend on nutrients and specific saturated fatty acids (SFAs) in food. OBJECTIVE: We explored the effects of cheese and meat as sources of SFAs or isocaloric replacement with carbohydrates on blood lipids, lipoproteins, and fecal excretion of fat and bile acids...
September 2015: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/24352095/long-term-successful-weight-loss-with-a-combination-biphasic-ketogenic-mediterranean-diet-and-mediterranean-diet-maintenance-protocol
#6
Antonio Paoli, Antonino Bianco, Keith A Grimaldi, Alessandra Lodi, Gerardo Bosco
Weight loss protocols can only be considered successful if they deliver consistent results over the long term-a goal which is often elusive, so much so that the term "yo-yo" is used to describe the perennial weight loss/weight regain battle common in obesity. We hypothesized that a ketogenic Mediterranean diet with phytoextracts (KEMEPHY) combined with the acknowledged health benefits of traditional Mediterranean nutrition may favor long term weight loss. We analysed 89 male and female obese subjects, aged between 25 and 65 years who were overall healthy apart from being overweight...
December 2013: Nutrients
https://www.readbyqxmd.com/read/23107521/dietary-protein-its-role-in-satiety-energetics-weight-loss-and-health
#7
REVIEW
Margriet S Westerterp-Plantenga, Sofie G Lemmens, Klaas R Westerterp
Obesity is a serious health problem because of its co-morbidities. The solution, implying weight loss and long-term weight maintenance, is conditional on: (i) sustained satiety despite negative energy balance, (ii) sustained basal energy expenditure despite BW loss due to (iii) a sparing of fat-free mass (FFM), being the main determinant of basal energy expenditure. Dietary protein has been shown to assist with meeting these conditions, since amino acids act on the relevant metabolic targets. This review deals with the effects of different protein diets during BW loss and BW maintenance thereafter...
August 2012: British Journal of Nutrition
https://www.readbyqxmd.com/read/22935440/relatively-high-protein-or-low-carb-energy-restricted-diets-for-body-weight-loss-and-body-weight-maintenance
#8
RANDOMIZED CONTROLLED TRIAL
Stijn Soenen, Alberto G Bonomi, Sofie G T Lemmens, Jolande Scholte, Myriam A M A Thijssen, Frank van Berkum, Margriet S Westerterp-Plantenga
BACKGROUND: 'Low-carb' diets have been suggested to be effective in body weight (BW) management. However, these diets are relatively high in protein as well. OBJECTIVE: To unravel whether body-weight loss and weight-maintenance depends on the high-protein or the 'low-carb' component of the diet. DESIGN: Body-weight (BW), fat mass (FM), blood- and urine-parameters of 132 participants (age=50 ± 12 yr; BW=107 ± 20 kg; BMI=37 ± 6 kg/m(2); FM=47...
October 10, 2012: Physiology & Behavior
https://www.readbyqxmd.com/read/22482040/traditional-dietary-recommendations-for-the-prevention-of-cardiovascular-disease-do-they-meet-the-needs-of-our-patients
#9
Johannes Scholl
THE CHARACTERISTICS OF PATIENTS WITH CVD HAVE CHANGED: whereas smoking prevalence declines, obesity and metabolic syndrome are on the rise. Unfortunately, the traditional low-fat diet for the prevention of cardiovascular disease (CVD) still seems to be the "mainstream knowledge" despite contradicting evidence. But lowering LDL-cholesterol by the wrong diet even may be counterproductive, if sd-LDL is raised and HDL is lowered. New insights into the pathophysiology of insulin resistance and its influence on the effects of dietary changes have led to a better approach: (1) the higher a patient's insulin resistance, the more important is the glycemic load of the diet...
2012: Cholesterol
https://www.readbyqxmd.com/read/21519764/effects-of-a-balanced-energy-and-high-protein-formula-diet-vegestart-complet%C3%A2-vs-low-calorie-regular-diet-in-morbid-obese-patients-prior-to-bariatric-surgery-laparoscopic-single-anastomosis-gastric-bypass-a-prospective-double-blind-randomized-study
#10
RANDOMIZED CONTROLLED TRIAL
M A Carbajo, Maria J Castro, S Kleinfinger, S Gómez-Arenas, J Ortiz-Solórzano, R Wellman, C García-Ianza, E Luque
OBJECTIVE: Bariatric surgery is considered the only therapeutic alternative for morbid obesity and its comorbidities. High risks factors are usually linked with this kind of surgery. In order to reduce it, we consider that losing at least 10% of overweight in Morbid Obese (MO) and a minimum of 20% in Super- Obese patients (SO) before surgery, may reduce the morbidity of the procedure. The aim of our study is to demonstrate the effectiveness and tolerance of a balanced energy formula diet at the preoperative stage, comparing it against a low calorie regular diet...
November 2010: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/20150600/bean-amylase-inhibitor-and-other-carbohydrate-absorption-blockers-effects-on-diabesity-and-general-health
#11
Harry G Preuss
Many believe that excessive intake of refined carbohydrates (CHO) plays a major role in the development of obesity/overweight, type 2 diabetes mellitus and insulin resistance, a collection of events commonly referred to as "diabesity," and have sought natural means to overcome these linked perturbations. As a first approach, planned diets with low portions of refined CHO have become popular. However, these diets do not satisfy everyone; and many are concerned over replacing CHO with more fats. As a second option, addition of soluble fiber to the diet can slow absorption of refined CHO, i...
June 2009: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/20107198/lack-of-suppression-of-circulating-free-fatty-acids-and-hypercholesterolemia-during-weight-loss-on-a-high-fat-low-carbohydrate-diet
#12
RANDOMIZED CONTROLLED TRIAL
Teri L Hernandez, Julie P Sutherland, Pamela Wolfe, Marybeth Allian-Sauer, Warren H Capell, Natalie D Talley, Holly R Wyatt, Gary D Foster, James O Hill, Robert H Eckel
BACKGROUND: Little is known about the comparative effect of weight-loss diets on metabolic profiles during dieting. OBJECTIVE: The purpose of this study was to compare the effect of a low-carbohydrate diet (< or =20 g/d) with a high-carbohydrate diet (55% of total energy intake) on fasting and hourly metabolic variables during active weight loss. DESIGN: Healthy, obese adults (n = 32; 22 women, 10 men) were randomly assigned to receive either a carbohydrate-restricted diet [High Fat; mean +/- SD body mass index (BMI; in kg/m(2)): 35...
March 2010: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/19136821/effects-of-very-low-carbohydrate-horsemeat-or-beef-based-diets-and-restricted-feeding-on-weight-gain-feed-and-energy-efficiency-as-well-as-serum-levels-of-cholesterol-triacylglycerol-glucose-insulin-and-ketone-bodies-in-adult-rats
#13
Jae-Youn Kim, Young-Hoon Yang, Choong-Nam Kim, Chong-Eon Lee, Kyu-Il Kim
BACKGROUND/AIMS: The beneficial or harmful effect of the low-carbohydrate (low-carb), high-protein, high-fat diet (Atkins diet) has not been clearly demonstrated. We determined the effect of a low-carb diet and restricted feeding (70% ad libitum intake) on serum levels of cholesterol, triacylglycerol, glucose, ketone bodies and insulin in rats. METHODS: In experiment 1, each of 4 groups with 10 adult rats was assigned to a high-carb diet (AIN-93G) + ad libitum intake or restricted feeding, or a low-carb diet (53% horsemeat) + ad libitum intake or restricted feeding (2 x 2 factorial)...
2008: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/17014706/low-carbohydrate-diets-in-family-practice-what-can-we-learn-from-an-internet-based-support-group
#14
Richard D Feinman, Mary C Vernon, Eric C Westman
The Active Low-Carber Forums (ALCF) is an on-line support group started in 2000 which currently has more than 86,000 members. Data collected from posts to the forum and from an on-line survey were used to determine the behavior and attitudes of people on low carbohydrate diets. Members were asked to complete a voluntary 27-item questionnaire over the internet. Our major findings are as follows: survey respondents, like the membership at large, were mostly women and mostly significantly overweight, a significant number intending to and, in many cases, succeeding at losing more than 100 lbs...
2006: Nutrition Journal
https://www.readbyqxmd.com/read/16231692/the-end-of-the-diet-debates-all-fats-and-carbs-are-not-created-equal
#15
REVIEW
Arthur S Agatston
The key to healthy eating is choosing "good fats"--foods high in omega-3 fatty acids and unsaturated fats, and "good carbohydrates"--foods high in fiber and having a low glycemic index. The healthiest diet is the Mediterranean type, consisting of lean meats, fish, nuts, vegetables, whole fruits, and whole grains.
October 2005: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/15774905/flow-mediated-dilatation-is-impaired-by-a-high-saturated-fat-diet-but-not-by-a-high-carbohydrate-diet
#16
RANDOMIZED CONTROLLED TRIAL
Jennifer B Keogh, Jessica A Grieger, Manny Noakes, Peter M Clifton
OBJECTIVE: It is unknown whether a low-fat diet, which may elevate triglycerides and lower high-density lipoprotein (HDL) cholesterol, harms the endothelium. Our aim was to determine whether a low-fat, high-carbohydrate (CARB) diet impaired endothelial vasodilation compared with high saturated fat (SFA), monounsaturated fat (MUFA), or polyunsaturated fat (PUFA) diets. METHODS AND RESULTS: Forty healthy subjects were randomly crossed over to 4, 3-week isocaloric diets high in PUFA, MUFA, or SFA, containing at least 25 g of the relevant fat or a low-fat, CARB, high-glycemic load diet...
June 2005: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/15490514/chicken-any-way-you-like-it-chicken-is-the-perfect-choice-for-a-low-carb-low-fat-high-flavor-meal
#17
Marcia Levine Mazur
No abstract text is available yet for this article.
October 2004: Diabetes Forecast
https://www.readbyqxmd.com/read/14633476/is-carb-cutting-a-safe-way-to-diet-new-research-suggests-that-a-high-protein-low-carbohydrate-diet-is-less-risky-than-many-experts-had-thought-does-that-mean-it-s-a-healthy-way-to-eat
#18
(no author information available yet)
No abstract text is available yet for this article.
November 2003: Harvard Women's Health Watch
https://www.readbyqxmd.com/read/11984418/should-you-recommend-a-low-carb-high-protein-diet
#19
REVIEW
Yvonne Tapper-Gardzina, Nancy Cotugna, Connie E Vickery
Despite the billions of dollars spent each year on weight-loss diets and products, few individuals maintain their weight loss after initiating popular diet programs. One diet that has raised safety concerns among the scientific community is the low-carbohydrate, high-protein diet. This article evaluates the scientific validity of this diet so that clinicians can appropriately advise patients.
April 2002: Nurse Practitioner
https://www.readbyqxmd.com/read/10627086/effect-of-food-deprivation-and-maintenance-diet-composition-on-fat-preference-and-acceptance-in-rats
#20
Z S Warwick, S J Synowski
High-fat diets typically elicit greater kcal intake and/or weight gain than low-fat diets. Palatability, caloric density, and the unique postingestive effects of fat have each been shown to contribute to high-fat diet hyperphagia. Because long-term intake reflects the sum of many individual eating episodes (meals), it is important to investigate factors that may modulate fat intake at a meal. The present studies used high-fat (hi-fat) and high-carbohydrate (hi-carb) liquid diets (both 2.3 kcal/mL) to assess the effect of hunger level (0 versus 24-h food deprivation) and fat content of the maintenance diet (12 versus 48%) on fat preference (when a choice among foods is offered in a two-bottle test), and acceptance (only one food offered) in male rats...
December 1, 1999: Physiology & Behavior
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