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Food addiction

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https://www.readbyqxmd.com/read/29054285/paraventricular-thalamus-gateway-to-feeding-appetitive-motivation-and-drug-addiction
#1
E Zayra Millan, ZhiYi Ong, Gavan P McNally
This chapter reviews the anatomical and functional evidence demonstrating the contribution of the paraventricular thalamic nucleus (PVT) to appetitive motivation, food intake control, and drug-seeking behaviors. We first consider the anatomical properties of the PVT to highlight its relevance in the control of appetitive motivation, feeding, and drug seeking. This is followed by a review of the available literature on PVT neurocircuitry, PVT involvement in food intake control, animal models of drug self-administration, withdrawal, and relapse...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/29052153/food-for-thought-reward-mechanisms-and-hedonic-overeating-in-obesity
#2
REVIEW
Phong Ching Lee, John B Dixon
PURPOSE OF REVIEW: This review examines the food addiction model and the role of food hedonic pathways in the pathogenesis and treatment of obesity. RECENT FINDINGS: The hedonic pathway interacts with the obesogenic environment to override homeostatic mechanisms to cause increase in body weight. Weight gain sustained over time leads to "upward setting" of defended level of body-fat mass. There are neurobiological and phenotypic similarities and differences between hedonic pathways triggered by food compared with other addictive substances, and the entity of food addiction remains controversial...
October 19, 2017: Current Obesity Reports
https://www.readbyqxmd.com/read/29049971/food-addiction-prevalence-psychopathological-correlates-and-associations-with-quality-of-life-in-a-large-sample
#3
Paulo R Nunes-Neto, Cristiano A Köhler, Felipe B Schuch, Marco Solmi, João Quevedo, Michael Maes, Andrea Murru, Eduard Vieta, Roger S McIntyre, Susan L McElroy, Ashley N Gearhardt, Brendon Stubbs, André F Carvalho
OBJECTIVE: To determine the prevalence of food addiction in a large Brazilian non-clinical sample. Sociodemographic and psychopathological correlates of food addiction as well as associations with quality (QoL) domains were also investigated. METHODS: This cross-sectional study obtained data from a Brazilian anonymous web-based research platform (N = 7639; 71.3% females). Participants provided sociodemographic data and completed the modified Yale Food Addiction Scale 2...
October 12, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29048569/impulse-control-in-negative-mood-states-emotional-eating-and-food-addiction-are-associated-with-lower-quality-of-life-in-adolescents-with-severe-obesity
#4
Meredith H Rose, Evan P Nadler, Eleanor R Mackey
Objectives: Quality of life (QoL) is an important outcome to evaluate in adolescents with severe obesity, yet intrapersonal predictors of QoL are understudied. The current study assessed whether difficulty with impulse control when experiencing a negative mood (negative urgency) is associated with poorer QoL, mediated by more emotional eating and food addiction. Method: Participants consisted of 69 primarily female (71%), minority (76%) adolescents aged 13-21 (M age = 16...
October 16, 2017: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/29048213/structural-modeling-the-relationship-of-food-addiction-and-eating-attitudes-of-young-adults-with-emotional-appetite-and-self-esteem
#5
Nevin Sanlier, Furkan Baser, Hande Mortas, Semra Navruz Varli, M Sedanur Macit, Tugba Tatar
The aim of the study was to examine the relationships among food addiction, eating attitudes, emotional appetite, and self-esteem of young adults aged 18-30 years by using a structural model. This cross-sectional study was conducted with 1,058 volunteers (male = 307, female = 751). The hypothesis that self-esteem of young adults influences their eating attitudes was supported in the study (β = -0.081, p < .05). Another hypothesis was also supported, so self-esteem had a positive effect on food addiction (β = 0...
October 19, 2017: Ecology of Food and Nutrition
https://www.readbyqxmd.com/read/29040827/effects-of-lorcaserin-belviq-%C3%A2-on-nicotine-and-food-maintained-responding-in-non-human-primates
#6
David S Jacobs, Claire E Barkin, Michelle R Kohut, Jack Bergman, Stephen J Kohut
BACKGROUND: Accumulating evidence suggests that the FDA-approved serotonin 5-HT2C receptor agonist, lorcaserin (Belviq(®)), may be a promising candidate for the management of substance use disorders, including nicotine addiction. The present study was conducted to determine the efficacy and selectivity of acute or continuous lorcaserin treatment for decreasing the reinforcing effects of nicotine in a primate species. METHODS: Adult rhesus monkeys (n=4) with a history of nicotine self-administration (>2years) responded for injections of nicotine (0...
October 10, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29040067/early-onset-severe-obesity-due-to-complete-deletion-of-the-leptin-gene-in-a-boy
#7
Elif Ozsu, Serdar Ceylaner, Huseyin Onay
BACKGROUND: Monogenic obesity results from single gene mutations. Extreme obesity starting at an early age, especially in infancy, which is associated with endocrinopathy and metabolic disturbances is key to the diagnosis of monogenic obesity. CASE PRESENTATION: A 6-month-old boy was admitted to our clinic with severe obesity and food craving. He was born with a birth weight of 3400 g to first-cousin parents. He started to gain weight at an abnormal rate at the age of 2 months...
October 17, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29039297/the-impact-of-periconceptional-alcohol-exposure-on-fat-preference-and-gene-expression-in-the-mesolimbic-reward-pathway-in-adult-rat-offspring
#8
E S Dorey, C L Cullen, D Lucia, K M Mah, M-L Roy Manchadi, B S Muhlhausler, K M Moritz
Alcohol consumption around the time of conception is highly prevalent in Western countries. Exposure to ethanol levels during gestation has been associated with altered development of the mesolimbic reward pathway in rats and increased propensity to addiction, however the effect of exposure only around the time of conception is unknown. The current study investigated the effects of periconceptional alcohol exposure (PC:EtOH) on alcohol and palatable food preferences and gene expression in the ventral tegmental area (VTA) and the nucleus accumbens of the adult offspring...
October 17, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29030085/are-emotionally-driven-and-addictive-like-eating-behaviors-the-missing-links-between-psychological-distress-and-greater-body-weight
#9
L Bourdier, M Orri, A Carre, A N Gearhardt, L Romo, C Dantzer, S Berthoz
There is now a large body of evidence suggesting a significant association between emotional discomfort management, disordered eating behaviors and weight status. In the field of overweight and obesity, emotionally driven eating habits that resemble addictive behaviors are considered as a risk factor. This study aimed to investigate in a large sample of French university students 1) the associations between self-reported levels of psychological distress (PD), emotional eating (EE), food addiction (FA) and Body Mass Index (BMI); and 2) the potential mediation effect of eating behaviors (EE and FA) between PD and BMI...
October 10, 2017: Appetite
https://www.readbyqxmd.com/read/29024664/the-anterior-insular-cortex%C3%A2-central-amygdala-glutamatergic-pathway-is-critical-to-relapse-after-contingency-management
#10
Marco Venniro, Daniele Caprioli, Michelle Zhang, Leslie R Whitaker, Shiliang Zhang, Brandon L Warren, Carlo Cifani, Nathan J Marchant, Ofer Yizhar, Jennifer M Bossert, Cristiano Chiamulera, Marisela Morales, Yavin Shaham
Despite decades of research on neurobiological mechanisms of psychostimulant addiction, the only effective treatment for many addicts is contingency management, a behavioral treatment that uses alternative non-drug reward to maintain abstinence. However, when contingency management is discontinued, most addicts relapse to drug use. The brain mechanisms underlying relapse after cessation of contingency management are largely unknown, and, until recently, an animal model of this human condition did not exist...
October 11, 2017: Neuron
https://www.readbyqxmd.com/read/29022218/an-examination-of-the-mechanisms-and-personality-traits-underlying-food-addiction-among-individuals-with-severe-obesity-awaiting-bariatric-surgery
#11
Anne-Sophie Ouellette, Christopher Rodrigue, Simone Lemieux, André Tchernof, Laurent Biertho, Catherine Bégin
PURPOSE: The aetiology underlying addiction has often been investigated to shed more light on the factors contributing to the development and maintenance of various disorders. In the field of addictive eating behaviours, data on the aetiological factors related to food addiction (FA) in the bariatric context remain scarce. The present study aimed to explore mechanisms and variables underlying FA among individuals suffering from severe obesity and awaiting bariatric surgery. METHODS: Participants (N = 146) were recruited at the Quebec Heart and Lung Institute during their pre-operative visit and were invited to complete questionnaires...
October 11, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28974443/toxicological-aspects-of-the-interesterified-fat-from-processed-foods-influences-on-opioid-system-and-its-reward-effects-in-rats
#12
Laura H Milanesi, Karine Roversi, Caren T D Antoniazzi, Hecson J Segat, Maikel Kronbauer, Lívia F D'avila, Verônica T Dias, Marcel H M Sari, Raquel C S Barcelos, Luana H Maurer, Tatiana Emanuelli, Marilise E Burger, Fabíola Trevizol
Considering the high consumption of processed foods, interesterified fat (IF) has been used to replace trans fat, since it may harm nervous system functions. Opioids are intensely used to alleviate pain, and have a highly addictive potential. Therefore, their improper use is related to addiction, tolerance, and withdrawal syndrome. Wistar rats received soybean oil (SO) or IF during gestation, lactation and post-weaning until pups' adolescence. On post-natal day 39, animals received morphine (4 mg/kg i.p.) in the conditioned place preference (CPP) paradigm...
September 30, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28964775/influence-of-physical-activity-on-addiction-parameters-of-rats-exposed-to-amphetamine-which-were-previously-supplemented-with-hydrogenated-vegetable-fat
#13
H J Segat, R C S Barcelos, V G Metz, H Z Rosa, Kr Roversi, C T D Antoniazzi, L T Vey, M Kronbauer, J C Veit, J C Piccolo, T Emanuelli, M E Burger
Amphetamine (AMPH) and its derivatives are addictive drugs used to promote and enhance alertness, motivation, willingness, courage and wellbeing. However, their chronic use is related to memory loss, emotional instability, insomnia, psychosis and paranoia. In the last decades, modern society has included processed foods, rich in trans fatty acids (TFA), in their diet, what has been related to several health problems including increased AMPH preference and self-administration. In this scenario, physical activity appears to be useful to attenuate rewarding symptoms related to addictive drugs mainly by affecting brain neuroplasticity and neurotransmission...
September 28, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28958901/food-addiction-and-substance-addiction-in-women-common-clinical-characteristics
#14
Raven Hardy, Negar Fani, Tanja Jovanovic, Vasiliki Michopoulos
Food addiction is characterized by poorly controlled intake of highly-palatable, calorically-dense, foods. While previous studies indicate that risk factors for food addiction are similar to substance use disorders (SUD), these studies have looked at food addiction and SUD in independent samples, limiting the ability to directly compare food addiction to SUD. The present study was conducted to assess rates of posttraumatic stress disorder (PTSD), depression, childhood and adult trauma exposure, as well as presence and severity of emotion dysregulation, in a sample of women (N = 229) who either meet criteria for no addiction, food addiction only or SUD only...
September 27, 2017: Appetite
https://www.readbyqxmd.com/read/28955227/stress-induced-reduction-of-dorsal-striatal-d2-dopamine-receptors-prevents-retention-of-a-newly-acquired-adaptive-coping-strategy
#15
Paolo Campus, Sonia Canterini, Cristina Orsini, Maria Teresa Fiorenza, Stefano Puglisi-Allegra, Simona Cabib
The inability to learn an adaptive coping strategy in a novel stressful condition leads to dysfunctional stress coping, a marker of mental disturbances. This study tested the involvement of dorsal striatal dopamine receptors in the dysfunctional coping with the Forced Swim test fostered by a previous experience of reduced food availability. Adult male mice were submitted to a temporary (12 days) reduction of food availability [food-restricted (FR)] or continuously free-fed (FF). Different groups of FF and FR mice were used to evaluate: (1) dorsal striatal mRNA levels of the two isoforms of the dopamine D2 receptor (D2S, D2L)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28948684/food-addiction-and-bariatric-surgery-a-systematic-review-of-the-literature
#16
REVIEW
V Ivezaj, A A Wiedemann, C M Grilo
Emerging research suggests that rates of food addiction are high among individuals seeking bariatric surgery, but little is known about associated features and the prognostic significance of pre-operative food addiction. Thus, this article provides a systematic review and synthesis of the literature on food addiction and bariatric surgery. Articles were identified through PubMed and SCOPUS databases, resulting in a total of 19 studies which assessed food addiction among pre-bariatric and/or post-bariatric surgery patients using the Yale Food Addiction Scale...
September 25, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28941296/ghrelin-receptor-antagonism-of-hyperlocomotion-in-cocaine-sensitized-mice-requires-%C3%AE-arrestin-2
#17
Krisztian Toth, Lauren M Slosky, Thomas F Pack, Nikhil M Urs, Peter Boone, Lan Mao, Dennis Abraham, Marc G Caron, Lawrence S Barak
The "brain-gut" peptide ghrelin, which mediates food-seeking behaviors, is recognized as a very strong endogenous modulator of dopamine (DA) signaling. Ghrelin binds the G protein-coupled receptor GHSR1a, and administration of ghrelin increases the rewarding properties of psychostimulants while ghrelin receptor antagonists decrease them. Additionally, the GHSR1a signals through βarrestin-2 to regulate actin/stress fiber rearrangement, suggesting βarrestin-2 participation in the regulation of actin-mediated synaptic plasticity for addictive substances like cocaine...
September 23, 2017: Synapse
https://www.readbyqxmd.com/read/28930574/food-addiction-a-common-neurobiological-mechanism-with-drug-abuse
#18
Elsa Lindgren, Kyle Gray, Gregg Miller, Ryan Tyler, Corinde E Wiers, Nora D Volkow, Gene-Jack Wang
Drugs and food both exert a rewarding effect through the firing of dopamine neurons in the ventral tegmental area, resulting in the release of dopamine into the nucleus accumbens and effects on the mesolimbic pathway. Here, we review the neuroimaging literature to consider the validity of food addiction and the common neurobiological mechanisms that overlap in food and drug addiction. This review paper focuses on findings from Positron Emission Tomography (PET), functional Magnetic Resonance Imaging (fMRI) and structural imaging studies, as well as evidence from neuroimaging studies of bariatric surgery and pharmacological interventions on obese individuals...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28927660/addictive-salt-may-not-be-solely-responsible-for-causing-hypertension-a-sweet-and-fatty-hypothesis
#19
V Mehta
In literature, since many decades, it is often believed and condoned that excessive common salt (Nacl) ingestion can lead to hypertension. Hence, every health organisation, agencies and physicians have been advising salt restriction to hypertensive patients. However, there is no concrete evidence suggesting that salt restriction can reduce the risk of hypertension (HTN). The present article is based on the current literature search which was performed using MEDLINE, EMBASE, Google Scholar and PubMed. The meta-analysis, randomised control trials, clinical trials and review articles were chosen...
September 16, 2017: Hipertensión y Riesgo Vascular
https://www.readbyqxmd.com/read/28918457/effects-of-menthol-and-its-interaction-with-nicotine-conditioned-cue-on-nicotine-seeking-behavior-in-rats
#20
Erin Harrison, Lisa Biswas, Ramachandram Avusula, Meiyu Zhang, Yongzhen Gong, Xiu Liu
RATIONALE: Increasing clinical evidence suggests that menthol, a significant flavoring additive in tobacco products, may contribute to smoking and nicotine dependence. Relapse to smoking behavior presents a formidable challenge for the treatment of tobacco addiction. An unresolved issue is whether the mentholation of tobacco products precipitates relapse to tobacco use in abstinent smokers. OBJECTIVES: The present study examined the effects of menthol on the perseverance and relapse of nicotine-seeking behavior in rats...
September 16, 2017: Psychopharmacology
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