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https://www.readbyqxmd.com/read/28345215/temporal-discounting-and-the-tendency-to-delay-gratification-across-the-eating-disorder-spectrum
#1
Savani Bartholdy, Samantha Rennalls, Hollie Danby, Claire Jacques, Iain C Campbell, Ulrike Schmidt, Owen G O'Daly
Bulimia nervosa (BN) and binge eating disorder (BED) have been associated with poorer reward-related inhibitory control, reflected by a reduced tendency to delay gratification. The opposite has been reported in anorexia nervosa (AN), but differences have not been directly compared across eating disorders (EDs). This study investigated self-reported (Delaying Gratification Inventory) and task-based (temporal discounting) inhibitory control in 66 women with an ED and 28 healthy controls (HCs). Poorer task-based inhibitory control was observed in the BN compared with the AN group and poorer self-reported inhibitory control in the BN and in the BED groups compared with the AN and the HC groups, suggesting that reward-related inhibitory control varies across EDs...
March 27, 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
https://www.readbyqxmd.com/read/28344903/comparison-of-consumption-behavior-and-appetite-sensations-among-patients-with-type-2-diabetes-mellitus-after-bariatric-surgery
#2
Chun Yeh, Hsien-Hao Huang, Shu-Chun Chen, Tung-Fang Chen, Kong-Han Ser, Chih-Yen Chen
BACKGROUND: The promising postsurgical weight loss and remission of type 2 diabetes (T2D) from bariatric surgery can be attributed to modified eating physiology after surgical procedures. We sought to investigate the changes in the parameters of consumption behaviors and appetite sensations induced by a mixed meal tolerance test, and to correlate these alterations with age, body mass index, C-peptide levels, and duration of T2D 1 year after bariatric surgery. METHODS: A total of 16 obese patients with T2D who underwent mini-gastric bypass (GB) and 16 patients who underwent sleeve gastrectomy (SG) were enrolled in this study and evaluated using a mixed meal tolerance test one year after surgery...
2017: PeerJ
https://www.readbyqxmd.com/read/28335489/effects-of-the-mediterranean-diet-before-and-after-weight-loss-on-eating-behavioral-traits-in-men-with-metabolic-syndrome
#3
Élise Carbonneau, Marie-Michelle Royer, Caroline Richard, Patrick Couture, Sophie Desroches, Simone Lemieux, Benoît Lamarche
The objective of this study was to investigate the impact of the Mediterranean diet (MedDiet) consumed before and after weight loss on eating behavioral traits as measured by the Three-Factor Eating Questionnaire (TFEQ) in men with metabolic syndrome (MetS). In this fixed sequence study, 19 men with MetS (National Cholesterol Education Program-Adult Treatment Panel III (NCEP-ATPIII) criteria), aged between 24 and 62 years, first consumed a five-week standardized North American control diet followed by a five-week MedDiet, both under weight-maintaining controlled-feeding conditions...
March 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28333235/ovarian-hormones-and-obesity
#4
Brigitte Leeners, Nori Geary, Philippe N Tobler, Lori Asarian
BACKGROUND: Obesity is caused by an imbalance between energy intake, i.e. eating and energy expenditure (EE). Severe obesity is more prevalent in women than men worldwide, and obesity pathophysiology and the resultant obesity-related disease risks differ in women and men. The underlying mechanisms are largely unknown. Pre-clinical and clinical research indicate that ovarian hormones may play a major role. OBJECTIVE AND RATIONALE: We systematically reviewed the clinical and pre-clinical literature on the effects of ovarian hormones on the physiology of adipose tissue (AT) and the regulation of AT mass by energy intake and EE...
March 2, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28330953/your-mitochondria-are-what-you-eat-a-high-fat-or-a-high-sucrose-diet-eliminates-metabolic-flexibility-in-isolated-mitochondria-from-rat-skeletal-muscle
#5
Wenche Jørgensen, Kasper A Rud, Ole H Mortensen, Lis Frandsen, Niels Grunnet, Bjørn Quistorff
Extreme diets consisting of either high fat (HF) or high sucrose (HS) may lead to insulin resistance in skeletal muscle, often associated with mitochondrial dysfunction. However, it is not known if these diets alter normal interactions of pyruvate and fatty acid oxidation at the level of the mitochondria. Here, we report that rat muscle mitochondria does show the normal Randle-type fat-carbohydrate interaction seen in vivo. The mechanism behind this metabolic flexibility at the level of the isolated mitochondria is a regulation of the flux-ratio: pyruvate dehydrogenase (PDH)/β-oxidation to suit the actual substrate availability, with the PDH flux as the major point of regulation...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28326821/understanding-self-harm-in-older-people-a-systematic-review-of-qualitative-studies
#6
Anne Pamela Frances Wand, Carmelle Peisah, Brian Draper, Henry Brodaty
OBJECTIVE: Rates of suicide in older adults are generally higher than other age groups. Although risk factors for suicide attempts, and self-harm more generally, in this population are well-characterised, many of these vulnerabilities are common to older people and individual motivations are less well understood. Qualitative research may reveal more about the underlying thought processes, meaning and experiences of older people who self-harm. METHODS: A systematic review of qualitative studies examining the reasons why older people have self-harmed was undertaken by searching databases and screening the reference lists of articles...
March 22, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28323058/executive-functioning-in-a-racially-diverse-sample-of-children-who-are-overweight-and-at-risk-for-eating-disorders
#7
Andrea B Goldschmidt, Setareh O'Brien, Jason M Lavender, Carolyn M Pearson, Daniel Le Grange, Scott J Hunter
Difficulties with executive functioning may underlie both overweight and loss of control (LOC) eating behavior across the age spectrum, but there is a relative paucity of research in children with both conditions. This study aimed to characterize general executive functioning among children with overweight and LOC eating as compared to their overweight and normal-weight peers. Participants were 75 racially diverse children (58.7% female; 81.3% African-American), aged 9-12y (M age = 10.5 ± 1.1), of whom 26 were overweight/obese and endorsed LOC eating (OW-LOC), 34 were overweight controls (OW-CON), and 15 were normal-weight controls (NW-CON)...
March 18, 2017: Appetite
https://www.readbyqxmd.com/read/28304341/the-efficacy-of-psychological-therapies-in-reducing-weight-and-binge-eating-in-people-with-bulimia-nervosa-and-binge-eating-disorder-who-are-overweight-or-obese-a-critical-synthesis-and-meta-analyses
#8
REVIEW
Marly Amorim Palavras, Phillipa Hay, Celso Alves Dos Santos Filho, Angélica Claudino
Recurrent binge eating episodes, the core feature of Bulimia Nervosa (BN) and Binge Eating Disorder (BED), are frequently comorbid with obesity. Psychological interventions, notably Cognitive Behavioural Therapy (CBT), are effective for binge eating reduction in BED or BN but less so for weight loss. Behavioural Weight Loss Therapy (BWLT) shows effectiveness for binge eating reduction and weight loss but the latter appears poorly sustained over time. Our aim was to review evidence for efficacy of psychological therapies for BN/BED associated with overweight or obesity in reducing binge frequency and weight...
March 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28294985/effects-of-a-diet-based-weight-reducing-program-with-probiotic-supplementation-on-satiety-efficiency-eating-behaviour-traits-and-psychosocial-behaviours-in-obese-individuals
#9
Marina Sanchez, Christian Darimont, Shirin Panahi, Vicky Drapeau, André Marette, Valerie H Taylor, Jean Doré, Angelo Tremblay
This study evaluated the impact of probiotic supplementation (Lactobacillus rhamnosus CGMCC1.3724 (LPR)) on appetite sensations and eating behaviors in the context of a weight-reducing program. Obese men (n = 45) and women (n = 60) participated in a double-blind, randomized, placebo-controlled trial that included a 12-week weight loss period (Phase 1) based on moderate energy restriction, followed by 12 weeks of weight maintenance (Phase 2). During the two phases of the program, each subject consumed two capsules per day of either a placebo or a LPR formulation (10 mg of LPR equivalent to 1...
March 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28281136/ecological-momentary-assessment-of-dietary-lapses-across-behavioral-weight-loss-treatment-characteristics-predictors-and-relationships-with-weight-change
#10
Evan M Forman, Leah M Schumacher, Ross Crosby, Stephanie M Manasse, Stephanie P Goldstein, Meghan L Butryn, Emily P Wyckoff, J Graham Thomas
BACKGROUND: Adherence to dietary prescriptions is critical for successful weight loss and weight loss maintenance. However, research on specific instances of inadherence (lapses) is limited, and findings regarding the frequency, nature, and causes of lapses are mixed. Additionally, no studies have examined lapses over the course of a weight loss program. PURPOSE: In the context of a reduced calorie diet prescribed as part of a behavioral treatment, we aimed to characterize lapse occurrence, examine lapse frequency across treatment, examine predictors of lapses, and assess the relationship between lapses and weight loss...
March 9, 2017: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
https://www.readbyqxmd.com/read/28266779/effects-of-once-weekly-semaglutide-on-appetite-energy-intake-control-of-eating-food-preference-and-body-weight-in-subjects-with-obesity
#11
John Blundell, Graham Finlayson, Mads Buhl Axelsen, Anne Flint, Catherine Gibbons, Trine Kvist, Julie Hjerpsted
AIM: To investigate the mechanism of action for body weight loss with semaglutide. MATERIALS AND METHODS: This randomised, double-blind, placebo-controlled, two-period crossover trial investigated the effects of 12 weeks treatment with once-weekly subcutaneous semaglutide, dose-escalated to 1.0 mg, in 30 subjects with obesity. Ad libitum energy intake, ratings of appetite, thirst, nausea and well-being, control of eating, food preference, resting metabolic rate, body weight and body composition were assessed...
March 7, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28265869/portion-size-latest-developments-and-interventions
#12
REVIEW
Ingrid Steenhuis, Maartje Poelman
PURPOSE OF REVIEW: The aim of this review is to provide an overview of (1) underlying mechanisms of the effect of portion size on energy intake, (2) external factors explaining the portion size effect and (3) interventions and measurements aimed at food portion size. RECENT FINDINGS: Previous studies have shown that portion sizes have increased in recent decades. Many experimental studies have been conducted to unravel the mechanisms underlying the portion-size effect on food intake (e...
March 2017: Current Obesity Reports
https://www.readbyqxmd.com/read/28258827/impulsivity-predicts-weight-loss-after-obesity-surgery
#13
Myutan Kulendran, Leah Borovoi, Sanjay Purkayastha, Ara Darzi, Ivo Vlaev
OBJECTIVE: There is evidence that executive function, and specifically inhibitory control, is related to obesity and eating behavior. The goal of this study was to determine whether personality traits and inhibitory control predict weight loss after bariatric procedures. Although the impressive weight reduction after bariatric surgery has been shown in short- and medium-term studies, the effect of personality traits on this reduction is uncertain. Specifically, the effect of impulsivity is still largely unknown...
January 4, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28254531/oleoylethanolamide-a-fat-ally-in-the-fight-against-obesity
#14
REVIEW
Jacob D Brown, Elnaz Karimian Azari, Julio E Ayala
Obesity is a pandemic, gateway disease that has thrived in modern, sedentary, high calorie-eating societies. Left unchecked, obesity and obesity-related diseases will continue to plague future generations with heavy burdens on economies, healthcare systems, and the quality of life of billions. There is a significant need to elucidate basic physiological mechanisms and therapies that address this global health care crisis. Oleoylethanolamide (OEA) is an endocannabinoid-like lipid that induces hypophagia and reduces fat mass in rodents...
February 27, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28250848/tissue-specific-methylation-profile-in-obese-patients-with-type-2-diabetes-before-and-after-roux-en-y-gastric-bypass
#15
REVIEW
Priscila Sala, Raquel Susana Matos de Miranda Torrinhas, Danielle Cristina Fonseca, Graziela Rosa Ravacci, Dan Linetzky Waitzberg, Daniel Giannella-Neto
Eating habits, lifestyles, and exposure to specific environmental factors can greatly impact the risk of developing type 2 diabetes (T2D), influence the genome epigenetically, and affect the expression of genes, including genes related to glycemic control, at any stage of life. The epigenetic mechanism underlying obesity and T2D pathogenesis remains poorly understood. Conventional strategies for the treatment of obesity and its comorbidities often have poor long-term adherence, and pharmacological interventions are limited...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28248991/limbic-thalamo-cortical-projections-and-reward-related-circuitry-integrity-affects-eating-behavior-a-longitudinal-dti-study-in-adolescents-with-restrictive-eating-disorders
#16
Gaia Olivo, Lyle Wiemerslage, Ingemar Swenne, Christina Zhukowsky, Helena Salonen-Ros, Elna-Marie Larsson, Santino Gaudio, Samantha J Brooks, Helgi B Schiöth
Few studies have used diffusion tensor imaging (DTI) to investigate the micro-structural alterations of WM in patients with restrictive eating disorders (rED), and longitudinal data are lacking. Twelve patients with rED were scanned at diagnosis and after one year of family-based treatment, and compared to twenty-four healthy controls (HCs) through DTI analysis. A tract-based spatial statistics procedure was used to investigate diffusivity parameters: fractional anisotropy (FA) and mean, radial and axial diffusivities (MD, RD and AD, respectively)...
2017: PloS One
https://www.readbyqxmd.com/read/28243838/psychological-aspects-of-bariatric-surgery-as-a-treatment-for-obesity
#17
REVIEW
Sandra Jumbe, Claire Hamlet, Jane Meyrick
PURPOSE OF REVIEW: Little is known about the psychological effects on life after bariatric surgery despite the high prevalence of psychological disorders in candidates seeking this procedure. Our review discusses the literature around the psychological impact of bariatric surgery, exploring whether the procedure addresses underlying psychological conditions that can lead to morbid obesity and the effect on eating behaviour postoperatively. RECENT FINDINGS: Findings show that despite undisputed significant weight loss and improvements in comorbidities, current literature suggests some persisting disorder in psychological outcomes like depression and body image for patients at longer term follow-up, compared to control groups...
February 27, 2017: Current Obesity Reports
https://www.readbyqxmd.com/read/28240625/association-between-cardiovascular-risk-and-depressive-symptoms-among-people-with-serious-mental-illness
#18
John A Naslund, Kelly A Aschbrenner, Sarah I Pratt, Matthew C Lohman, Emily A Scherer, Gregory J McHugo, Lisa A Marsch, Jürgen Unützer, Stephen J Bartels
Depressive symptoms have debilitating effects on the physical health and functioning of people with serious mental illness. We examined change in depressive symptoms among overweight and obese adults with serious mental illness (n = 343) using data combined from two randomized trials comparing the 12-month In SHAPE program to a gym membership control condition. In SHAPE consists of a gym membership, weekly individual meetings with a fitness trainer, and instruction on healthy eating and nutrition. Depressive symptoms were measured at baseline, 3, 6, and 12 months...
February 24, 2017: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28238839/postpartum-weight-loss-in-overweight-and-obese-women-using-the-etonogestrel-subdermal-implant-a-pilot-study
#19
Leanne Griffin, Cassing Hammond, Dachao Liu, Alfred W Rademaker, Jessica Kiley
OBJECTIVE: To compare weight loss during the first 6months postpartum in overweight and obese women using the etonogestrel-implant, placed in the immediate postpartum period, with that of controls using non-hormonal contraception, utilizing a pilot design. STUDY DESIGN: Pilot, prospective cohort study. Analysis groups were divided by body mass index (BMI) (Overweight: 25-29.9kg/m(2); Class I Obesity: 30-34.5kg/m(2); Class II Obesity: 35-39.9kg/m(2)) and grouped by use of etonogestrel implant or non-hormonal contraception for all outcomes...
February 24, 2017: Contraception
https://www.readbyqxmd.com/read/28229895/impulse-control-disorders-and-levodopa-induced-dyskinesias-in-parkinson-s-disease-an-update
#20
REVIEW
Valerie Voon, T Celeste Napier, Michael J Frank, Veronique Sgambato-Faure, Anthony A Grace, Maria Rodriguez-Oroz, Jose Obeso, Erwan Bezard, Pierre-Olivier Fernagut
Dopaminergic medications used in the treatment of patients with Parkinson's disease are associated with motor and non-motor behavioural side-effects, such as dyskinesias and impulse control disorders also known as behavioural addictions. Levodopa-induced dyskinesias occur in up to 80% of patients with Parkinson's after a few years of chronic treatment. Impulse control disorders, including gambling disorder, binge eating disorder, compulsive sexual behaviour, and compulsive shopping occur in about 17% of patients with Parkinson's disease on dopamine agonists...
March 2017: Lancet Neurology
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