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León E, Tabares M, Baile JI, Salazar JG, Zepeda AP. Eating behaviors associated with weight gain among university students worldwide and treatment interventions: A systematic review. JOURNAL OF AMERICAN COLLEGE HEALTH : J OF ACH 2024; 72:1624-1631. [PMID: 35834744 DOI: 10.1080/07448481.2022.2089841] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 04/29/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
Introduction: Emerging adulthood has been described as a period of risk for body weight gain. Several studies have indicated that the positive or negative health behaviors established during this stage, tend to prevail the rest of life. However, there are discrepancies in published studies on weight change in freshmen and there are disagreements on weight gain predictors. The present study reviewed the literature with the aim of knowing the eating behaviors associated with weight gain in university students. Method: A systematic search was conducted in three databases according to the PRISMA method during the months of February to November 2020. Results: 20 articles were included in the review. The main behaviors associated with weight gain were the consumption of sugary drinks, alcohol consumption, low consumption of vegetables and fruits, frequent self-consumption, eating unhealthy and low levels of food regulation.
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Affiliation(s)
- Edgar León
- Instituto de Investigaciones en Comportamiento Alimentario y Nutrición (IICAN), Universidad de Guadalajara, Guadalajara, Mexico
| | - Marcela Tabares
- Instituto de Investigaciones en Comportamiento Alimentario y Nutrición (IICAN), Universidad de Guadalajara, Guadalajara, Mexico
| | - José Ignacio Baile
- Departamento de Psicología y Salud, Universidad a Distancia de Madrid (UDIMA), Madrid, Spain
| | - José Guadalupe Salazar
- Instituto de Investigaciones en Comportamiento Alimentario y Nutrición (IICAN), Universidad de Guadalajara, Guadalajara, Mexico
| | - Ana Patricia Zepeda
- Instituto de Investigaciones en Comportamiento Alimentario y Nutrición (IICAN), Universidad de Guadalajara, Guadalajara, Mexico
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Marchena-Giráldez C, Carbonell-Colomer M, Bernabéu-Brotons E. Emotional eating, internet overuse, and alcohol intake among college students: a pilot study with virtual reality. Front Nutr 2024; 11:1400815. [PMID: 38957869 PMCID: PMC11217348 DOI: 10.3389/fnut.2024.1400815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 06/06/2024] [Indexed: 07/04/2024] Open
Abstract
Introduction The term emotional eating (EE) describes the tendency to eat as an automatic response to negative emotions and has been linked to anxiety and depression, common symptoms among the university population. The EE tendencies have also been associated with excessive internet use and an increase in alcohol intake among young university students. Methods The aim of this study is to examine the relationship between the tendency towards EE and other health-compromising behaviors, such as excessive internet use or high alcohol intake. Additionally, it aims to investigate the association of these risky behaviors with the participants' performance level in a virtual reality (VR) task that assesses their executive functioning, and to assess impulsivity and levels of anxiety and depression. Results The results associate EE with excessive internet (r = 0.332; p < 0.01). use but not with alcohol consumption. Alcohol consumption was not associated with anxiety, depression, or impulsivity, but it was related to altered executive functions in the VR task: flexibility and working memory explained 24.5% of the variance. By contrast, EE and internet overuse were not related to executive function but were associated with impulsivity, depression, and anxiety. Impulsivity and depressive symptoms accounted for 45% of the variance in EE. Depression, trait anxiety and impulsivity explained 40.6% of the variance in internet overuse. Discussion The results reveal distinct patterns of psychological and neuropsychological alterations associated with alcohol consumption compared to emotional eating (EE) and excessive internet use. These findings underscore significant differences in the contributing factors between addictions and other substance-free addictive behaviors. For a deeper understanding of the various contributing factors to EE in college students, further research is recommended.
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Affiliation(s)
| | | | - Elena Bernabéu-Brotons
- Faculty of Education and Psychology, Universidad Francisco de Vitoria (UFV), Madrid, Spain
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Iglesias López MT, Marchena-Giráldez CA, Bernabéu-Brotons E. Nutrient intake, alcohol consumption, emotional eating and anxiety in women nursing students. Heliyon 2023; 9:e22903. [PMID: 38144331 PMCID: PMC10746424 DOI: 10.1016/j.heliyon.2023.e22903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/21/2023] [Accepted: 11/22/2023] [Indexed: 12/26/2023] Open
Abstract
Objective The aim of the study was to analyze dietary habits, alcohol habits, emotional eating and anxiety in a sample of Spanish nursing students. These students appear to be essential to the field of public health and to teaching their future patients about their own good practices. Methods A cross-sectional investigation was conducted. Participants completed the Emotional Eater Questionnaire, the Alcohol Use Disorder Identification Test (AUDIT) test to evaluate alcohol intake, the State-Trait anxiety Inventory (STAI) test to measure levels of anxiety as a state and anxiety as a trait, and self-reported sociodemographic data. Following classroom instruction, three-day food records were used to gauge food intake. Results The calorie intake for the macronutrients Ca, Mg, K, and Fe were below the Recommended Dietary Intakes (DRI) and imbalanced. The percentage E of proteins was 132.7 % more than recommended, while the percentage of carbohydrates is below the recommended level. Dietary energy consumption barely equaled 78 % of the total energy consumed by this sex and age group. With respect to emotional eating, nursing women students were low emotional eater (44 %) > emotional eater (30 %) > non-emotional eater (22.7 %). The students' emotional eating is substantially connected with fast food and sweets, or less healthy food intake behaviors. According to the Alcohol Use Disorder Identification Test (AUDIT), 82.7 % of female students used alcohol on a regular basis in a low-risk manner. Conclusion The findings demonstrated a link between anxiety and dietary fat intake. Trait anxiety was negatively connected with emotional eating (EE), whereas state anxiety was positively correlated with meat consumption. It is crucial to consider these findings when creating prevention/intervention plans and profiles of harmful eating behaviors.
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Hao M, Yang J, Xu S, Yan W, Yu H, Wang Q. The relationship between body dissatisfaction, lifestyle, and nutritional status among university students in Southern China. BMC Psychiatry 2023; 23:705. [PMID: 37777718 PMCID: PMC10543264 DOI: 10.1186/s12888-023-05215-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 09/22/2023] [Indexed: 10/02/2023] Open
Abstract
BACKGROUND In recent years, obesity in early adulthood has become an urgent global public health concern. Body dissatisfaction may have adverse effects on lifestyle habits, leading to obesity. However, research on nutritional status and body dissatisfaction among Chinese young adults is still insufficient. Therefore, this study aimed to analyze the relationship between body dissatisfaction, dietary habits, physical activity, and nutritional status among university students. In addition, we explored the feasibility of improving university students' nutritional status by improving the levels of body dissatisfaction. METHODS This study was conducted in Ganzhou City, Jiangxi Province, China, at a randomly selected university. All 1900 undergraduate students volunteered to participate and signed the consent form. Students were required to completed anthropometric measurements and three questionnaires, which included the Physical Activity Rating Scale-3 (PARS-3), Chinese version of the Dutch Dietary Behavior Questionnaire (C-DEBQ), and Body Dissatisfaction. Of these, 1714 students (age: 18-24 years; men: 933, women: 781) with complete and valid data were included. RESULTS Higher obesity levels were observed in men compared to women (p<0.01). Meanwhile, body dissatisfaction was higher in women compared to men (p<0.01). Overeating and insufficient physical activity were more problematic in women compared to in men (p<0.01). Multiple regression analyses were conducted separately, with BMI and body dissatisfaction as the dependent variables. Body dissatisfaction (β=0.72, p<0.01), muscle mass (β=0.33, p<0.01), emotional eating score (β=0.05, p<0.01), sex (β=-0.05, p<0.05) and physical activity (β=-0.04, p<0.05) score were significant predictors of obesity. Furthermore, Muscle mass (β=0.61, p<0.01), sex (β=0.54, p<0.01), restrained eating score (β=0.25, p<0.01), physical activity score (β=-0.20, p<0.01) and emotional eating score (β=0.08, p<0.01) were significant predictors of body dissatisfaction. CONCLUSION The data presented in this study highlight the impact of university students' body dissatisfaction in China on physical activity deficiency and overeating, discovering that reducing body dissatisfaction has great potential for preventing obesity.
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Affiliation(s)
- Ming Hao
- School of Public Health and Health Management, Gannan Medical University, Ganzhou, 341000, Jiangxi, China
| | - Juan Yang
- Department of Rehabilitation Medicine, Ganzhou People's Hospital, Jiangxi, 341000, China.
| | - Shiliang Xu
- College of Electronics and Information Engineering, Liaoning Institute of Science and Technology, Benxi, 117000, Liaoning, China
| | - Wenjing Yan
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou , Jiangxi, 341000, China
| | - Hongfei Yu
- School of Public Health and Health Management, Gannan Medical University, Ganzhou, 341000, Jiangxi, China
| | - Qi Wang
- School of Public Health and Health Management, Gannan Medical University, Ganzhou, 341000, Jiangxi, China
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Constant A, Fortier A, Serrand Y, Bannier E, Moirand R, Thibault R, Coquery N, Godet A, Val-Laillet D. Emotional overeating affected nine in ten female students during the COVID-19 university closure: A cross-sectional study in France. PLoS One 2023; 18:e0286439. [PMID: 37651411 PMCID: PMC10470954 DOI: 10.1371/journal.pone.0286439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 08/14/2023] [Indexed: 09/02/2023] Open
Abstract
OBJECTIVES To estimate the proportion of female university students reporting overeating (EO) in response to emotions during the COVID-19 university closures, and to investigate social and psychological factors associated with this response to stress. DESIGN Online survey gathered sociodemographic data, alcohol/drugs use disorders, boredom proneness and impulsivity using validated questionnaires, and EO using the Emotional Overeating Questionnaire (EOQ) assessing eating in response to six emotions (anxiety, sadness, loneliness, anger, fatigue, happiness), whose structure remains to be determined. PARTICIPANTS Sample of 302 female students from Rennes University, France. MAIN OUTCOME MEASURE Frequencies of emotional overeating. ANALYSIS The frequency of emotional overeating was expressed for each emotion as percentages. Exploratory Factor analyses (EFA) were used to determine EOQ structure and provide an index of all EOQ items used for further analysis. Linear regression models were used to explore relationships between EO and others covariates. RESULTS Nine in ten participants reported intermittent EO in the last 28 days, mostly during 6 to 12 days, in response to Anxiety (75.5%), Sadness (64.5%), Happiness (59.9%), Loneliness (57.9%), Tiredness (51.7%), and to a lesser extent to Anger (31.1%). EFA evidenced a one-factor latent variable reflecting "Distress-Induced Overeating" positively correlated with internal boredom proneness, tobacco use, attentional impulsivity, inability to resist emotional cues, and loss of control over food intake, and negatively with age and well-being. EO was unrelated to body mass index or substance abuse. CONCLUSION AND IMPLICATIONS Nine in ten female students reported emotional overeating during the COVID-19 university closure. This response to stress was related to eating tendencies typical of young women, but also to personality/behavioral patterns such as boredom and impulsivity proneness. Better understanding of the mechanisms underlying EO in response to stress and lack of external/social stimulation would improve preventive interventions.
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Affiliation(s)
- Aymery Constant
- INRAE, INSERM, CHU Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Univ Rennes, Rennes, France
- EHESP, School of Public Health, Rennes, France
| | - Alexandra Fortier
- INRAE, INSERM, CHU Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Univ Rennes, Rennes, France
| | - Yann Serrand
- INRAE, INSERM, CHU Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Univ Rennes, Rennes, France
| | - Elise Bannier
- Inria, CRNS, Inserm, IRISA UMR 6074, Empenn U1228, Univ Rennes, Rennes, France
- Radiology Department, CHU Rennes, Rennes, France
| | - Romain Moirand
- INRAE, INSERM, CHU Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Univ Rennes, Rennes, France
- Unité d’Addictologie, CHU Rennes, Rennes, France
| | - Ronan Thibault
- INRAE, INSERM, CHU Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Univ Rennes, Rennes, France
- Unité de Nutrition, CHU Rennes, Rennes, France
| | - Nicolas Coquery
- INRAE, INSERM, CHU Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Univ Rennes, Rennes, France
| | - Ambre Godet
- INRAE, INSERM, CHU Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Univ Rennes, Rennes, France
| | - David Val-Laillet
- INRAE, INSERM, CHU Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Univ Rennes, Rennes, France
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Alharbi RM, Alharbi HF. The Indicator of Emotional Eating and Its Effects on Dietary Patterns among Female Students at Qassim University. Nutrients 2023; 15:3553. [PMID: 37630740 PMCID: PMC10458773 DOI: 10.3390/nu15163553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 08/01/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Emotional eating (EE) is considered as the inclination to eat in response to emotions and is associated with certain syndromes. In this sense, we explored the indices of EE and its association with dietary patterns among female students at Qassim University in Saudi Arabia. A cross-sectional study of 380 participants (aged 18-29 years, female students) was performed. Anthropometric measurements of the participants were taken, such as height, body mass index, fat mass and hip-waist circumference as well as the Emotional Eating Scale (EES). The classification of the ESS included the thresholds of 44.7, 43.9 and 11.3% for low, moderate and high EE, respectively. Linear regression after adjustment showed that fat intake was a significant predictor of EE (p = 0.031) as well as feelings of enthusiasm. We also observed an interesting indication: fat intake (p = 0.011) and educational level (p < 0.05) were significantly associated with, and could be significant predictors of, EE. The results highlight the importance of emotional eating, its relationship with the consumption of foods that contain fat and understanding how it develops by raising awareness of the importance of healthy food for a healthy lifestyle.
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Affiliation(s)
| | - Hend F. Alharbi
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia;
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Fields S, Arthur K, Schueler J, Smallman R. Using a counterfactual-based intervention to change eating intentions: Results from Hispanic and non-Hispanic undergraduate and community samples. Appetite 2023; 183:106460. [PMID: 36642115 DOI: 10.1016/j.appet.2023.106460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 01/03/2023] [Accepted: 01/10/2023] [Indexed: 01/14/2023]
Abstract
Finding ways to improve eating behavior has become a major focus of interventions designed to improve health outcomes. Counterfactual thinking (i.e., mental simulations of how a past outcome could have been different) is a cognitive strategy that has been shown to improve behavior regulation and could be a promising intervention to improve eating behavior. The purpose of the current research was to examine the effect of a counterfactual-based intervention to shift contemplation to change eating behavior, motivation towards eating healthier, and intentions to engage in healthier eating behaviors. Participants in both studies were randomly assigned to either a counterfactual-based intervention or a control condition. In Study 1, those in the counterfactual-based intervention condition reported an increase in readiness to change their eating behavior, higher extrinsic motivation towards eating healthy, and higher intentions to eat healthy compared to those in the control condition. Within the counterfactual condition, individuals who self-identified as Hispanic had higher intentions to use their counterfactual strategies than those who identified as non-Hispanic. Study 2 found similar results using a more diverse community sample. Those in the counterfactual-based intervention condition reported an increase in readiness to change, intentions to eat healthy, and intentions to use their counterfactual strategies, with this effect being stronger for self-identified Hispanic participants. These studies provide initial evidence for the use of a counterfactual-based intervention to improve eating behavior in diverse populations.
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Affiliation(s)
- Sherecce Fields
- Department of Psychological & Brain Sciences, Texas A&M University, USA.
| | - Kianna Arthur
- Department of Psychological & Brain Sciences, Texas A&M University, USA
| | - Jordan Schueler
- Department of Psychological & Brain Sciences, Texas A&M University, USA
| | - Rachel Smallman
- Department of Psychological & Brain Sciences, Texas A&M University, USA
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Catania J, Spirou D, Gascoigne M, Raman J. Loss of control as a transdiagnostic feature in obesity-related eating behaviours: A systematic review. EUROPEAN EATING DISORDERS REVIEW 2023; 31:24-45. [PMID: 35801968 PMCID: PMC10084033 DOI: 10.1002/erv.2936] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 05/24/2022] [Accepted: 06/10/2022] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Emerging evidence suggests that loss of control (LOC) may present as a common feature across disordered eating behaviours. However, there has been limited research on the transdiagnostic nature of LOC in this area. The primary aim of this study was to systematically review disordered eating behaviours and measures of LOC in clinical and non-clinical populations. METHOD Electronic searches of the relevant databases were conducted. Selected articles were screened for eligibility and assessed for methodological quality. RESULTS Thirty-four studies met inclusion criteria. Findings demonstrated that LOC was associated with disordered eating behaviours across bariatric populations, eating disorder populations, and community populations. Specifically, LOC was associated with binge eating (subjective and objective episodes), grazing, night eating, and emotional or stress eating. Findings also revealed that LOC was inconsistently operationalised across studies, with varied approaches to measuring the construct. CONCLUSION Overall, the findings from this review provide support for LOC as a transdiagnostic feature of disordered eating behaviours. Future studies should utilise robust multi-method assessments to measure the severity of LOC, which may provide greater insight into how LOC manifests across different eating disorder presentations.
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Affiliation(s)
- Justin Catania
- Australian College of Applied Professions, Sydney, New South Wales, Australia
| | - Dean Spirou
- Discipline of Clinical Psychology, Graduate School of Health, University of Technology Sydney, Sydney, New South Wales, Australia.,School of Medicine, Western Sydney University, Sydney, New South Wales, Australia
| | - Michael Gascoigne
- School of Psychology, Western Sydney University, Sydney, New South Wales, Australia.,Translational Health Research Institute, Western Sydney University, Sydney, New South Wales, Australia
| | - Jayanthi Raman
- School of Psychological Sciences, University of Newcastle, Callaghan, New South Wales, Australia
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Mróz M, Gross JJ, Brytek-Matera A. Trait Anxiety and Unhealthy Eating in Adult Women: The Mediating Role of Cognitive Instability. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:296. [PMID: 36612619 PMCID: PMC9819590 DOI: 10.3390/ijerph20010296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/22/2022] [Accepted: 12/22/2022] [Indexed: 06/17/2023]
Abstract
UNLABELLED Previous studies have demonstrated the influence of affective states on unhealthy eating. Heightened impulsivity has also been recognized as a risk factor for unhealthy eating. The objective of the present study was to investigate the relationship between trait anxiety and unhealthy eating and to test whether cognitive instability (trait impulsivity component) might mediate this relationship among adult women. METHOD The sample was composed of 225 women (Mage = 29.70 ± 9.23; MBodyMass Index = 23.39 ± 4.43). The State-Trait Anxiety Inventory (STAI), the Food Frequency Questionnaire (FFQ), and the Barratt Impulsiveness Scale (BIS) were used. We first conducted a principal components analysis to reduce the dimensionality of the FFQ data, finding four principal components. For our primary analyses, we focused on unhealthy eating. We then conducted a mediation analysis to examine whether trait anxiety was associated with unhealthy eating and, if so, whether cognitive impulsivity mediated this relationship. RESULTS Trait anxiety was positively associated with cognitive instability, and cognitive instability was positively associated with unhealthy eating. Trait anxiety was also positively associated with unhealthy eating, but only when controlling for cognitive instability. Consistent with our proposed mediation model, trait anxiety was positively associated with cognitive instability, which in turn predicted unhealthy eating among adult women. CONCLUSION Adult women who reported higher levels of trait anxiety experienced higher levels of cognitive instability and engaged in poor dietary behaviors. Identifying the factors related to unhealthy eating represents a crucial step toward findings ways of reducing their impact on food intake and replacing them with more productive ones.
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Affiliation(s)
- Magdalena Mróz
- Institute of Psychology, University of Wrocław, 50-527 Wrocław, Poland
| | - James J. Gross
- Department of Psychology, Stanford University, Stanford, CA 94305, USA
| | - Anna Brytek-Matera
- Katowice Faculty of Psychology, SWPS University of Social Sciences and Humanities, 40-326 Katowice, Poland
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Godet A, Fortier A, Bannier E, Coquery N, Val-Laillet D. Interactions between emotions and eating behaviors: Main issues, neuroimaging contributions, and innovative preventive or corrective strategies. Rev Endocr Metab Disord 2022; 23:807-831. [PMID: 34984602 DOI: 10.1007/s11154-021-09700-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/29/2021] [Indexed: 12/13/2022]
Abstract
Emotional eating is commonly defined as the tendency to (over)eat in response to emotion. Insofar as it involves the (over)consumption of high-calorie palatable foods, emotional eating is a maladaptive behavior that can lead to eating disorders, and ultimately to metabolic disorders and obesity. Emotional eating is associated with eating disorder subtypes and with abnormalities in emotion processing at a behavioral level. However, not enough is known about the neural pathways involved in both emotion processing and food intake. In this review, we provide an overview of recent neuroimaging studies, highlighting the brain correlates between emotions and eating behavior that may be involved in emotional eating. Interaction between neural and neuro-endocrine pathways (HPA axis) may be involved. In addition to behavioral interventions, there is a need for a holistic approach encompassing both neural and physiological levels to prevent emotional eating. Based on recent imaging, this review indicates that more attention should be paid to prefrontal areas, the insular and orbitofrontal cortices, and reward pathways, in addition to regions that play a major role in both the cognitive control of emotions and eating behavior. Identifying these brain regions could allow for neuromodulation interventions, including neurofeedback training, which deserves further investigation.
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Affiliation(s)
- Ambre Godet
- Nutrition Metabolisms and Cancer (NuMeCan), INRAE, INSERM, Univ Rennes, St Gilles, France
| | - Alexandra Fortier
- Nutrition Metabolisms and Cancer (NuMeCan), INRAE, INSERM, Univ Rennes, St Gilles, France
| | - Elise Bannier
- CRNS, INSERM, IRISA, INRIA, Univ Rennes, Empenn Rennes, France
- Radiology Department, Rennes University Hospital, Rennes, France
| | - Nicolas Coquery
- Nutrition Metabolisms and Cancer (NuMeCan), INRAE, INSERM, Univ Rennes, St Gilles, France
| | - David Val-Laillet
- Nutrition Metabolisms and Cancer (NuMeCan), INRAE, INSERM, Univ Rennes, St Gilles, France.
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Ellakany P, Zuñiga RAA, El Tantawi M, Brown B, Aly NM, Ezechi O, Uzochukwu B, Abeldaño GF, Ara E, Ayanore MA, Gaffar B, Al-Khanati NM, Ishabiyi AO, Jafer M, Khan ATA, Khalid Z, Lawal FB, Lusher J, Nzimande NP, Osamika BE, Quadri MFA, Roque M, Shamala A, Al-Tammemi AB, Yousaf MA, Virtanen JI, Nguyen AL, Folayan MO. Impact of the COVID-19 pandemic on student' sleep patterns, sexual activity, screen use, and food intake: A global survey. PLoS One 2022; 17:e0262617. [PMID: 35089943 PMCID: PMC8797200 DOI: 10.1371/journal.pone.0262617] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/30/2021] [Indexed: 12/23/2022] Open
Abstract
Background The education sector experienced substantial impacts during the COVID-19 pandemic resulting from worldwide restrictions. Purpose To examine differences in the sleep patterns, sexual activity, screen use, and food intake of students and non-students during the COVID-19 pandemic. Methods This was a global cross-sectional study conducted in the second half of 2020 using multiple social media platforms to recruit study participants globally. A close-ended questionnaire was administered anonymously in English, French, Spanish, Portuguese, and Arabic to adults ages 18 and older. The outcome variables considered in analyses were changes in sleep pattern, sexual activity, screen use, and food intake. The explanatory variable was student status categorized as students vs. non-student. T-test, chi-square, and Mann Whitney U tests were used to assess differences between student and non-student populations. One logistic regression model was built for each outcome variable. Country of residence and country income level were included in the adjusted models. Results There were 17,008 participants of which 3,793 (22.3%) were students. Of the total sample, 4,889 (28.7%) reported changes in sleep, 4,642 (31.8%) reported increases in sexual activity, 10,278 (70.7%) reported increases in screen use, and 5,662 (40.2%) reported increases in food intake during the pandemic. Compared to non-students, students had significantly higher odds of reporting changes in sleep (AOR = 1.52), increases in sexual activity (AOR = 1.79), and increases in screen use (AOR = 1.36) but lower odds of reporting increase in food intake (AOR = 0.87). Conclusion Students displayed higher risk of experiencing changes in sleep, sexual behavior, and screen use during the COVID-19 pandemic. This has the potential to lead to broader adverse effects on students’ overall wellbeing. The findings and implications raise further obligations on the education sector to put extra-curricular support systems in place that address COVID-19 related behavior changes that have the potential to adversely impact students’ wellbeing.
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Affiliation(s)
- Passent Ellakany
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
- * E-mail:
| | - Roberto Ariel Abeldaño Zuñiga
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Postgraduate Department, University of Sierra Sur, Oaxaca, Mexico
| | - Maha El Tantawi
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Brandon Brown
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Clinical Sciences, Nigerian Institute of Medical Research, Lagos, Nigeria
| | - Nourhan M. Aly
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Oliver Ezechi
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Social Medicine, Population and Public Health, University of California, Riverside School of Medicine, Riverside, California, United States of America
| | - Benjamin Uzochukwu
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- University of Nigeria Nsukka, (UNN) Enugu Campus, Nsukka, Nigeria
| | - Giuliana Florencia Abeldaño
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- School of Medicine, University of Sierra Sur, Oaxaca, Mexico
| | - Eshrat Ara
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Government College for Women, Srinagar, Kashmir (J&K), India
| | - Martin Amogre Ayanore
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Health Policy Planning and Management, University of Health and Allied Sciences, Ho, Ghana
| | - Balgis Gaffar
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Nuraldeen Maher Al-Khanati
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Syrian Private University, Damascus, Syria
| | - Anthonia Omotola Ishabiyi
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Centre for Rural Health, School of Nursing and Public Health, University of KwaZulu-Natal, Durban, South Africa
| | - Mohammed Jafer
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Health Promotion, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Abeedha Tu-Allah Khan
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Zumama Khalid
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Folake Barakat Lawal
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Periodontology and Community Dentistry, University of Ibadan and University College Hospital, Ibadan, Nigeria
| | - Joanne Lusher
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Regent’s University London, London, United Kingdom
| | - Ntombifuthi P. Nzimande
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Economic and Human Geography, University of Szeged, Szeged, Hungary
| | - Bamidele Emmanuel Osamika
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Child Oral Health, University of Ibadan, Ibadan, Nigeria
| | - Mir Faeq Ali Quadri
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Preventive Dental Sciences, Dental Public Health, College of Dentistry, Jazan University, Jizan, Saudi Arabia
| | - Mark Roque
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Maternity and Childhood Nursing Department, College of Nursing, Taibah University, Madinah, Kingdom of Saudi Arabia
| | - Anas Shamala
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Preventive and Biomedical Science, Faculty of Dentistry, University of Science and Technology, Sanaa, Yemen
| | - Ala’a B. Al-Tammemi
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Doctoral School of Health Sciences, University of Debrecen, Debrecen, Hungary
| | - Muhammad Abrar Yousaf
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Institute of Zoology, University of the Punjab, Lahore, Pakistan
| | - Jorma I. Virtanen
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Faculty of Medicine, University of Turku, Turku, Finland
| | - Annie Lu Nguyen
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Family Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Morenike Oluwatoyin Folayan
- Mental Health and Wellness Study Group, Oaxaca, Mexico
- Department of Child Dental Health, Obafemi Awolowo University, Ile-Ife, Nigeria
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Gao Y, Ao H, Hu X, Wang X, Huang D, Huang W, Han Y, Zhou C, He L, Lei X, Gao X. Social media exposure during COVID-19 lockdowns could lead to emotional overeating via anxiety: The moderating role of neuroticism. Appl Psychol Health Well Being 2022; 14:64-80. [PMID: 34265167 PMCID: PMC8444795 DOI: 10.1111/aphw.12291] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 06/07/2021] [Indexed: 01/13/2023]
Abstract
China was a major hotspot during the beginning of the COVID-19 pandemic. Several studies have reported changes in residents' eating behaviors and appetite during city wide lockdowns and home confinements. However, few have investigated how neuroticism interacts with the impact of COVID-19 to influence eating behaviors during city lockdowns. Thus, the current study aims to establish a pathway model to understand social media exposure, negative affect, neuroticism, and their interaction with eating behaviors during the COVID-19 lockdowns. We present data from 1,128 participants (Mage = 24.34 ± 10.48 years) who completed an online survey between February 17 and 27, 2020. The extent of respondents' social media exposure, negative affect, eating behaviors, and desire for high-calorie food during city lockdowns, as well as the personality trait of neuroticism, were measured. Results show that city lockdowns and home confinements had a negative impact on residents' eating behaviors and appetite. Forty-eight percent of respondents showed moderate to constant emotional overeating, and respondents' desire for high-calorie food significantly increased. Correlation analysis showed that emotional overeating is positively associated with social media exposure, neuroticism, and anxiety. Then, a moderated mediation model was established, showing that heavy social media exposure could lead to emotional overeating through anxiety, and the association between social media exposure and anxiety varies depending on the extent of neuroticism. The current study provides novel insight into how the interaction of a personality trait and the stressful situation of COVID-19 influence people's negative emotions and eating behaviors.
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Affiliation(s)
- Yuan Gao
- Faculty of PsychologySouthwest UniversityChongqingChina
- Key Laboratory of Cognition and Personality (Ministry of Education)Southwest UniversityChongqingChina
| | - Hua Ao
- Faculty of PsychologySouthwest UniversityChongqingChina
- Key Laboratory of Cognition and Personality (Ministry of Education)Southwest UniversityChongqingChina
| | - Xiaoyong Hu
- Faculty of PsychologySouthwest UniversityChongqingChina
- Key Laboratory of Cognition and Personality (Ministry of Education)Southwest UniversityChongqingChina
| | - Xinyu Wang
- Faculty of PsychologySouthwest UniversityChongqingChina
- Key Laboratory of Cognition and Personality (Ministry of Education)Southwest UniversityChongqingChina
| | - Duo Huang
- Faculty of PsychologySouthwest UniversityChongqingChina
| | - Wanjun Huang
- Faculty of PsychologySouthwest UniversityChongqingChina
- Key Laboratory of Cognition and Personality (Ministry of Education)Southwest UniversityChongqingChina
| | - Yan Han
- Graduate SchoolArmy Medical UniversityChongqingChina
| | - Chao Zhou
- Ideological and Political DepartmentXi'an Vocational and Technical CollegeXi'an CityShanxi ProvinceChina
| | - Ling He
- Faculty of PsychologySouthwest UniversityChongqingChina
- Key Laboratory of Cognition and Personality (Ministry of Education)Southwest UniversityChongqingChina
| | - Xu Lei
- Faculty of PsychologySouthwest UniversityChongqingChina
- Key Laboratory of Cognition and Personality (Ministry of Education)Southwest UniversityChongqingChina
| | - Xiao Gao
- Faculty of PsychologySouthwest UniversityChongqingChina
- Key Laboratory of Cognition and Personality (Ministry of Education)Southwest UniversityChongqingChina
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Leon Z, Shah K, Bailey LS, Karkhanis AN, Sirohi S. Patterned Feeding of a Hyper-Palatable Food (Oreo Cookies) Reduces Alcohol Drinking in Rats. Front Behav Neurosci 2021; 15:725856. [PMID: 34744651 PMCID: PMC8570261 DOI: 10.3389/fnbeh.2021.725856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 09/27/2021] [Indexed: 11/29/2022] Open
Abstract
While a bidirectional positive link between palatable food intake and alcohol drinking has been suggested, several rodents studies report reduced alcohol drinking following palatable diets exposure. These studies utilized purified rodents’ diets high in sugar/fat; however, the effects of hyper-palatable food (HPF) rich in fat and sugar on alcohol drinking remain unclear. Furthermore, neural substrates involved in HPF-mediated changes in alcohol consumption are poorly understood. Therefore, the present study evaluated the effects of patterned feeding of a hyper-palatable food (Oreo cookies) on alcohol drinking as well as dopamine (DA) and serotonin (5-HT) content in rat’s mesocorticolimbic (medial-prefrontal cortex, orbitofrontal cortex, amygdala, and nucleus accumbens) circuitry. Male Long Evans rats received 8-weeks of intermittent (Mon, Tue, Wed) Oreo cookies access, which induced a patterned feeding, in which rats in the Oreo group overconsumed calories on HPF days whereas underconsumption was observed on chow only (Thu, Fri) days. Following HPF exposure, alcohol consumption was evaluated while patterned feeding continued. Alcohol intake in the Oreo group was significantly lower as compared to the chow controls. However, alcohol intake in the Oreo group increased to the levels seen in the group receiving chow following the suspension of patterned HPF feeding. Finally, DA levels in the nucleus accumbens were significantly greater, whereas its metabolite (DOPAC) levels were lower in the Oreo group compared to the chow controls. Surprisingly, 5-HT levels remained unaltered in all tested brain areas. Together, these data suggest that HPF-associated increased DA availability and reduced DA turnover within mesocorticolimbic circuitry may regulate alcohol drinking following patterned HPF feeding.
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Affiliation(s)
- Zoela Leon
- Laboratory of Endocrine and Neuropsychiatric Disorders, Division of Basic Pharmaceutical Sciences, College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, United States
| | - Krishna Shah
- Laboratory of Endocrine and Neuropsychiatric Disorders, Division of Basic Pharmaceutical Sciences, College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, United States
| | - Lauren S Bailey
- Department of Psychology, Behavioral Neuroscience Program, Center for Developmental and Behavioral Neuroscience, Binghamton University-SUNY Binghamton, Binghamton, NY, United States
| | - Anushree N Karkhanis
- Department of Psychology, Behavioral Neuroscience Program, Center for Developmental and Behavioral Neuroscience, Binghamton University-SUNY Binghamton, Binghamton, NY, United States
| | - Sunil Sirohi
- Laboratory of Endocrine and Neuropsychiatric Disorders, Division of Basic Pharmaceutical Sciences, College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, United States
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Sierra I, Senín-Calderón C, Roncero M, Perpiñá C. The Role of Negative Affect in Emotional Processing of Food-Related Images in Eating Disorders and Obesity. Front Psychol 2021; 12:723732. [PMID: 34497567 PMCID: PMC8419244 DOI: 10.3389/fpsyg.2021.723732] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 07/29/2021] [Indexed: 11/22/2022] Open
Abstract
The aim of the present study was to analyze differences in the emotional processing (valence, arousal, and dominance) of food-related information in patients with eating disorders (ED), patients with obesity, and healthy women. Moreover, the mediator role of negative affect and the moderating role of the diagnostic group (ED vs. non-ED) were analyzed. METHOD The sample consisted of 94 women (39 with eating disorders, 19 with obesity, and 36 healthy participants). MEASURES International Affective Picture System (IAPS) food picture exposure task; Self-Assessment Manikin Analog-Visual Scale (SAM) appraising Arousal, Valence, and Dominance; Eating Attitudes Test (EAT-26); Positive and Negative Affect Schedule (PANAS). RESULTS Patients with purging symptomatology rated food images as more unpleasant than healthy women. Patients with purging and restrictive eating symptomatology showed higher levels of arousal and less dominance over the emotions experienced, compared to patients with obesity and healthy women. The mediation analysis showed that negative affect mediated the relationship between eating symptomatology (EAT-26) and the Valence of food images, as well as the control over the emotions experienced when viewing food images (Dominance). For the moderation analysis participants were regrouped into two groups (ED patients vs. non-ED patients). The direct relationship between eating symptomatology and food image valence was moderated by the diagnostic group. However, the group did not moderate the direct relationship between the EAT-26 and dominance over experienced emotions, or the indirect effect on eating symptomatology through negative affect. These results show the relevance of negative affect in the emotional processing of food-related information, and they support an eating disorder-disordered eating dimensional perspective.
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Affiliation(s)
- Irene Sierra
- Departamento de Personalidad, Evaluación y Tratamientos Psicológicos, Universitat de València, Valencia, Spain
| | | | - María Roncero
- Departamento de Personalidad, Evaluación y Tratamientos Psicológicos, Universitat de València, Valencia, Spain
| | - Conxa Perpiñá
- Departamento de Personalidad, Evaluación y Tratamientos Psicológicos, Universitat de València, Valencia, Spain
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Coakley KE, Le H, Silva SR, Wilks A. Anxiety is associated with appetitive traits in university students during the COVID-19 pandemic. Nutr J 2021; 20:45. [PMID: 33985515 PMCID: PMC8118620 DOI: 10.1186/s12937-021-00701-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 04/27/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND COVID-19 has impacted mental health globally, however, associations between anxiety and appetitive traits during the pandemic are unreported. This study evaluated anxiety symptom severity and associations with appetitive traits in students at a large public University in the U.S. during the pandemic. METHODS Current undergraduate and graduate/professional students completed a cross-sectional survey in fall 2020. Demographic information, anxiety symptoms in the past 2 weeks assessed by the Generalized Anxiety Disorder Scale (GAD-7), and appetitive traits assessed by the Adult Eating Behavior Questionnaire (AEBQ) were evaluated. Mean scores for eight AEBQ scales (four food approach and four food avoidance traits) were calculated. Differences in mean scores were examined between participants with moderate to severe anxiety symptoms (GAD-7 score ≥ 10) and those with mild to no anxiety symptoms (GAD-7 score < 10) via independent samples t-tests and effect sizes. Associations between GAD-7 score and individual appetitive traits were also examined, adjusting for age and gender. RESULTS Of the 1243 students who completed the survey (57% undergraduates; mean age = 26.5 years), 51.9% reported moderate to severe anxiety symptoms. Groups experiencing the highest degree of moderate to severe anxiety symptoms included transgender, gender fluid, and other-gendered participants (73.6%); the youngest age group [18-20 years (62%)]; undergraduate students (60.7%); and Hispanic/Latinx participants (57.7%). Participants with moderate to severe anxiety symptoms had higher scores for most food approach and avoidance traits but lower scores for enjoyment of food than those with mild to no anxiety symptoms. Effect sizes were largest for hunger and emotional over-eating (Cohen's d = 0.31 and 0.30, respectively). Adjusting for age and gender, GAD-7 score was significantly and positively associated with hunger, emotional over-eating, food and satiety responsiveness, and food fussiness and negatively associated with enjoyment of food. CONCLUSIONS Over half of students at a U.S. University reported moderate to severe anxiety symptoms during COVID-19. More severe anxiety symptoms were associated with increased hunger, emotional over-eating, and food and satiety responsiveness and decreased enjoyment of food. Universities must consider strategies to address anxiety, particularly in younger students; transgender, gender fluid, and students of other genders; and across race/ethnicities keeping in mind associations with appetitive traits.
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Affiliation(s)
- Kathryn E Coakley
- College of Education & Human Sciences, University of New Mexico, Albuquerque, NM, 87131, USA.
| | - Huyen Le
- College of Education & Human Sciences, University of New Mexico, Albuquerque, NM, 87131, USA
| | - Spirit Rae Silva
- College of Education & Human Sciences, University of New Mexico, Albuquerque, NM, 87131, USA
| | - Aspen Wilks
- College of Education & Human Sciences, University of New Mexico, Albuquerque, NM, 87131, USA
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16
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Işik K, Cengi Z Z. The effect of sociodemographic characteristics of university students on emotional eating behavior. Perspect Psychiatr Care 2021; 57:214-218. [PMID: 32502301 DOI: 10.1111/ppc.12550] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 05/25/2020] [Indexed: 11/29/2022] Open
Abstract
PURPOSE This descriptive study was conducted for the purpose of determining the effect of sociodemographic characteristics of university students on emotional eating behavior. DESIGN AND METHODS The study was completed with a total of 537 students. A descriptive questionnaire and the Emotional Eating Scale were used. Descriptive statistics, correlation, and regression analyses were used. FINDING It was found that emotional eating was positively correlated with body mass index and weight. It was determined that variables such as will, anger, body mass index, and weight were predictors of emotional eating. PRACTICAL IMPLICATIONS Emotional eating is a coping response with negative emotions. It is suggested that will is the most important factor affecting emotional eating. Thus, psychological dimension of wrong eating habit should definitely be addressed.
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Affiliation(s)
- Kevser Işik
- Department of Public Health Nursing, Faculty of Health Sciences, Kahramanmaraş Sütçüimam University, Kahramanmaraş, Turkey
| | - Zeliha Cengi Z
- Department of Nursing, Faculty of Health Sciences, Inonu University, Malatya, Turkey
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Factor Structure and Psychometric Properties of Emotional Eater Questionnaire (EEQ) in Spanish Colleges. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17239090. [PMID: 33291442 PMCID: PMC7730267 DOI: 10.3390/ijerph17239090] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/28/2020] [Accepted: 12/03/2020] [Indexed: 02/07/2023]
Abstract
Emotional eating (EE) patterns have been shown to play a relevant role in the development of overweight problems. However, there is a gap in research aimed at validating questionnaires to assess EE in specific populations. The aim of the study was to analyze factor structure and psychometric properties of Emotional Eater Questionnaire (EEQ) in Spanish universities. EEQ, state-anxiety subscale of STAI and a questionnaire about health habits were filled out by 295 students. Exploratory Factor Analysis (EFA) by using Unweight Least Squares (ULS) method was carried out. To determine factor numbers we used eigenvalues, parallel analysis, and goodness of fit statistics. Cronbach’s alpha and Spearman correlations were used to analyze reliability, convergent, and concurrent validity. The parallel analysis and goodness of fit statistics showed that unifactorial structure of seven items was the most appropriate what accounted for 57% of the variance. Internal consistency was good (α = 0.753), as well as convergent validity (r = 0.317; p < 0.001). Concurrent validity was significant for three of the five criteria (r = −0.224; p < 0.001 and r = −0.259; p < 0.001). The results suggest some differences in the structure of the psychometric assessment of EE in sub-clinical population in comparison with previous studies carried on with an overweight population, what could be relevant to obesity prevention.
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18
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Casu G, Gremigni P, Masheb RM. Emotional overeating questionnaire: a validation study in Italian adults with obesity, overweight or normal weight. Eat Weight Disord 2020; 25:1747-1754. [PMID: 31782027 DOI: 10.1007/s40519-019-00821-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 11/15/2019] [Indexed: 01/07/2023] Open
Abstract
PURPOSE This study aimed at testing the validity and reliability of the Emotional Overeating Questionnaire (EOQ) in a sample of Italian adults with obesity, overweight or normal weight. MATERIALS AND METHODS Participants were 314 Italian adults (72.6% females, aged 18-76 years) with obesity (27.4%), overweight (21.3%), or normal weight (51.3%), who completed the EOQ and measures of binge eating, mental well-being, and mindful eating. Retesting was performed 4 weeks later in a randomly selected subsample of 60 participants. Factor structure of the EOQ was estimated by confirmatory factor analysis (CFA). Reliability was tested with McDonald's ω and ordinal α coefficients for internal consistency and Cohen's weighted Kappa coefficient (Kw) for test-retest reliability. RESULTS Based on CFA, the five negative emotional items formed one factor (EOQ-5) with good reliability (ω = 0.89; ordinal α = 0.88; Kw= 0.71), while the item referring to happiness was dropped. EOQ-5 scores were associated with higher binge eating, lower mental well-being, and lower mindful eating. A cut-off point of two identified individuals at risk for binge eating disorders with 75% sensitivity and 67% specificity. Negative emotional overeating was more frequent in women with obesity than women with normal weight and men with obesity. CONCLUSIONS EOQ-5 is a valid and reliable tool for measuring the frequency of emotional overeating at the Italian community-level. LEVEL OF EVIDENCE Level V, cross-sectional, descriptive study.
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Affiliation(s)
- Giulia Casu
- Department of Psychology, University of Bologna, Viale Berti Pichat, 5, 40127, Bologna, Italy
| | - Paola Gremigni
- Department of Psychology, University of Bologna, Viale Berti Pichat, 5, 40127, Bologna, Italy.
| | - Robin M Masheb
- Department of Psychiatry, Yale School of Medicine, 300 George St, New Haven, CT, 06511, USA
- VA Connecticut Healthcare System, 950 Campbell Ave, West Haven, CT, 06516, USA
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Constant A, Moirand R, Thibault R, Val-Laillet D. Meeting of Minds around Food Addiction: Insights from Addiction Medicine, Nutrition, Psychology, and Neurosciences. Nutrients 2020; 12:nu12113564. [PMID: 33233694 PMCID: PMC7699750 DOI: 10.3390/nu12113564] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/12/2020] [Accepted: 11/18/2020] [Indexed: 12/21/2022] Open
Abstract
This review, focused on food addiction (FA), considers opinions from specialists with different expertise in addiction medicine, nutrition, health psychology, and behavioral neurosciences. The concept of FA is a recurring issue in the clinical description of abnormal eating. Even though some tools have been developed to diagnose FA, such as the Yale Food Addiction Scale (YFAS) questionnaire, the FA concept is not recognized as an eating disorder (ED) so far and is even not mentioned in the Diagnostic and Statistical Manuel of Mental Disorders version 5 (DSM-5) or the International Classification of Disease (ICD-11). Its triggering mechanisms and relationships with other substance use disorders (SUD) need to be further explored. Food addiction (FA) is frequent in the overweight or obese population, but it remains unclear whether it could articulate with obesity-related comorbidities. As there is currently no validated therapy against FA in obese patients, FA is often underdiagnosed and untreated, so that FA may partly explain failure of obesity treatment, addiction transfer, and weight regain after obesity surgery. Future studies should assess whether a dedicated management of FA is associated with better outcomes, especially after obesity surgery. For prevention and treatment purposes, it is necessary to promote a comprehensive psychological approach to FA. Understanding the developmental process of FA and identifying precociously some high-risk profiles can be achieved via the exploration of the environmental, emotional, and cognitive components of eating, as well as their relationships with emotion management, some personality traits, and internalized weight stigma. Under the light of behavioral neurosciences and neuroimaging, FA reveals a specific brain phenotype that is characterized by anomalies in the reward and inhibitory control processes. These anomalies are likely to disrupt the emotional, cognitive, and attentional spheres, but further research is needed to disentangle their complex relationship and overlap with obesity and other forms of SUD. Prevention, diagnosis, and treatment must rely on a multidisciplinary coherence to adapt existing strategies to FA management and to provide social and emotional support to these patients suffering from highly stigmatized medical conditions, namely overweight and addiction. Multi-level interventions could combine motivational interviews, cognitive behavioral therapies, and self-help groups, while benefiting from modern exploratory and interventional tools to target specific neurocognitive processes.
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Affiliation(s)
- Aymery Constant
- INRAE, INSERM, University Rennes, NuMeCan, Nutrition Metabolisms Cancer, 35590 St Gilles, 35000 Rennes, France; (A.C.); (R.M.); (R.T.)
- EHESP, School of Public Health, 35043 Rennes, France
| | - Romain Moirand
- INRAE, INSERM, University Rennes, NuMeCan, Nutrition Metabolisms Cancer, 35590 St Gilles, 35000 Rennes, France; (A.C.); (R.M.); (R.T.)
- Unité d’Addictologie, CHU Rennes, 35000 Rennes, France
| | - Ronan Thibault
- INRAE, INSERM, University Rennes, NuMeCan, Nutrition Metabolisms Cancer, 35590 St Gilles, 35000 Rennes, France; (A.C.); (R.M.); (R.T.)
- Unité de Nutrition, CHU Rennes, 35000 Rennes, France
| | - David Val-Laillet
- INRAE, INSERM, University Rennes, NuMeCan, Nutrition Metabolisms Cancer, 35590 St Gilles, 35000 Rennes, France; (A.C.); (R.M.); (R.T.)
- Correspondence:
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20
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Ramirez V, Wiers CE, Wang GJ, Volkow ND. Personality traits in substance use disorders and obesity when compared to healthy controls. Addiction 2020; 115:2130-2139. [PMID: 32350970 DOI: 10.1111/add.15062] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 10/23/2019] [Accepted: 03/13/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND AIMS Although personality traits are implicated in substance use disorders (SUDs) and obesity, differences and similarities between them have not been assessed. Our main aim was to compare personality traits between people with different SUDs, obese people and healthy controls. DESIGN This was a secondary analysis of personality scores obtained from participants in neuroimaging studies from Brookhaven National Laboratory and the Laboratory of Neuroimaging, National Institutes of Health. SETTING United States. PARTICIPANTS/CASES Individuals with obesity (OB) n = 41, alcohol use disorder (AUD) n = 39, marijuana use disorder (MUD) n = 24, cocaine use disorder (CUD) n = 100, and healthy controls (HC) n = 117 (237 males and 84 females). MEASUREMENTS The Multidimensional Personality Questionnaire, which characterizes positive emotionality (PEM), negative emotionality (NEM) and constraint (CON) traits. Adjusted covariates included cigarette smoking status, age, gender and body mass index (BMI). FINDINGS Multivariate analysis of covariance showed a main group effect (i.e. OB, AUD, MUD, CUD and HC) only on NEM (P < 0.0001, η2 = 0.17) and CON (P = 0.005, η2 = 0.12). Specifically, NEM was higher in AUD (P < 0.0001, d = 10.4), CUD (P < 0.0001, d = 8.2) and MUD (P = 0.001, d = 9.2), but not in OB (P > 0.05, d = 2.8) relative to HC. CUD showed lower CON (P = 0.015, d = 5.4) and PEM (P = 0.018, d = 4.8) than HC; however, these differences were not significant in the other groups. NEM and CON were negatively correlated for groups combined (r = -0.26, P < 0.0001), and separately for OB (r = -0.49, P = 0.001) and CUD (r = -0.22, P = 0.03). Cigarette smoking status did not influence group differences in NEM, PEM or CON. CONCLUSIONS Compared with healthy controls, people with substance use disorders appear to show higher negative emotionality, and people with cocaine use disorders appear to show lower positive emotionality and constraint traits. Similar findings were not found among people with obesity.
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Affiliation(s)
- Veronica Ramirez
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - Corinde E Wiers
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - Gene-Jack Wang
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - Nora D Volkow
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA.,National Institute on Drug Abuse, Bethesda, MD, USA
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21
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Flaudias V, Iceta S, Zerhouni O, Rodgers RF, Billieux J, Llorca PM, Boudesseul J, de Chazeron I, Romo L, Maurage P, Samalin L, Bègue L, Naassila M, Brousse G, Guillaume S. COVID-19 pandemic lockdown and problematic eating behaviors in a student population. J Behav Addict 2020; 9:826-835. [PMID: 32976112 PMCID: PMC8943668 DOI: 10.1556/2006.2020.00053] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/07/2020] [Accepted: 08/15/2020] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND AND AIMS Since mid-March 2020, over 3 billion people have been confined as a result of the COVID-19 pandemic. Problematic eating behaviors are likely to be impacted by the pandemic through multiple pathways. This study examined the relationships between stress related to lockdown measures and binge eating and dietary restriction in a population of French students during the first week of confinement. METHODS A sample of undergraduate students (N = 5,738) completed an online questionnaire 7 days after lockdown measures were introduced. The survey comprised variables related to lockdown measures and the COVID-19-pandemic, mood, stress, body image, binge eating and dietary restriction during the past 7 days, as well as intent to binge eat and restrict in the following 15 days. RESULTS Stress related to the lockdown was associated with greater likelihood of binge eating and dietary restriction over the past week and intentions to binge eat and restrict over the next 15 days. Greater exposure to COVID-19-related media was associated with increased eating restriction over the past week. Binge eating and restriction (past and intentions) were associated with established risk factors, including female gender, low impulse regulation, high body dissatisfaction, and having a concurrent probable eating disorder. DISCUSSION AND CONCLUSION The higher the stress related to the first week of confinement, the higher the risk of problematic eating behaviors among students, particularly those characterized by eating-related concerns. Screening for risk factors and providing targeted interventions might help decrease problematic eating behaviors among those who are most vulnerable.
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Affiliation(s)
- Valentin Flaudias
- Department of Psychiatry, CHU Clermont-Ferrand, University of Clermont Auvergne, EA 7280, Clermont-Ferrand, France
| | - Sylvain Iceta
- Quebec Heart and Lung Institute (IUCPQ), Québec, QC, G1V 4G5, Canada
- School of Nutrition, Laval University, Québec, QC, G1V 0A6, Canada
- Referral Center for Eating Disorder, Hospices Civils de Lyon, Lyon University, F-69677, Bron, France
| | - Oulmann Zerhouni
- Département de Psychologie, Laboratoire Parisien de Psychologie Sociale, University Paris Nanterre, Nanterre, France
| | - Rachel F Rodgers
- Department of Applied Psychology, APPEAR, Northeastern University, Boston, MA, USA
- Department of Emergency Psychiatry and Post-Acute Care, CHRU Montpellier/INSERM U1061, University of Montpellier, Montpellier, France
| | - Joël Billieux
- Department of Emergency Psychiatry and Post-Acute Care, CHRU Montpellier/INSERM U1061, University of Montpellier, Montpellier, France
| | - Pierre-Michel Llorca
- Department of Psychiatry, CHU Clermont-Ferrand, University of Clermont Auvergne, EA 7280, Clermont-Ferrand, France
| | | | - Ingrid de Chazeron
- Department of Psychiatry, CHU Clermont-Ferrand, University of Clermont Auvergne, EA 7280, Clermont-Ferrand, France
| | - Lucia Romo
- Instituto de Investigación Científica, Facultad de Psicología, Universidad de Lima, Lima, Peru
- EA4430 CLIPSYD, UFR SPSE, Paris Nanterre University, Nanterre, France
| | - Pierre Maurage
- CMME GHU Paris Psychiatrie et Neurosciences, Paris, France
| | - Ludovic Samalin
- Department of Psychiatry, CHU Clermont-Ferrand, University of Clermont Auvergne, EA 7280, Clermont-Ferrand, France
| | - Laurent Bègue
- Louvain Experimental Psychopathology Research Group, Psychological Sciences Research Institute, UCLouvain, Louvain-la-Neuve, Belgium
| | | | - Georges Brousse
- Department of Psychiatry, CHU Clermont-Ferrand, University of Clermont Auvergne, EA 7280, Clermont-Ferrand, France
| | - Sébastien Guillaume
- Université de Picardie Jules Verne, Unité INSERM UMR 1247, Groupe de Recherche sur l’Alcool & les Pharmacodépendances, Centre Universitaire de Recherche en Santé, 80025, Amiens, France
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22
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Carlos M, Elena B, Teresa IM. Are Adherence to the Mediterranean Diet, Emotional Eating, Alcohol Intake, and Anxiety Related in University Students in Spain? Nutrients 2020; 12:E2224. [PMID: 32722507 PMCID: PMC7468871 DOI: 10.3390/nu12082224] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/18/2020] [Accepted: 07/23/2020] [Indexed: 12/15/2022] Open
Abstract
Research has suggested that university students are at risk from certain unhealthy habits, such as poor diet or alcohol abuse. At the same time, anxiety levels appear to be higher among university students, which may lead to high levels of emotional eating. The aim of this study was to analyze the degree of adherence to the Mediterranean diet (AMD), emotional eating, alcohol intake, and anxiety among Spanish university students, and the interrelationship of these variables. A total of 252 university students filled out the Mediterranean Diet Quality Index (KIDMED) questionnaire for Mediterranean diet adherence, an Alcohol Use Disorders Identification Test, a State-Trait Anxiety Inventory and the Emotional Eater Questionnaire. We analyzed descriptive data, a t-test and analysis of variance (ANOVA) for differences, a Pearson correlation, and multiple regression tests. Results showed low levels of AMD among university students (15.5%) and considerable levels of emotional eating (29%) and anxiety (23.6%). However, levels of alcohol dependence were low (2.4%). State-anxiety was a predictor of the emotional eater score and its subscales, and sex also was predictive of subscale guilt and the total score. However, AMD was predicted only by trait-anxiety. These models accounted for between 1.9% and 19%. The results suggest the need for the implementation of educational programs to promote healthy habits among university students at risk.
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Affiliation(s)
- Marchena Carlos
- Faculty of Education and Psychology, Universidad Francisco de Vitoria, 28223 Madrid, Spain
| | - Bernabéu Elena
- Faculty of Education and Psychology, Universidad Francisco de Vitoria, 28223 Madrid, Spain
| | - Iglesias M. Teresa
- Faculty of Health Sciences, Universidad Francisco de Vitoria, 28223 Madrid, Spain
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23
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Keck MM, Vivier H, Cassisi JE, Dvorak RD, Dunn ME, Neer SM, Ross EJ. Examining the Role of Anxiety and Depression in Dietary Choices among College Students. Nutrients 2020; 12:nu12072061. [PMID: 32664465 PMCID: PMC7400947 DOI: 10.3390/nu12072061] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/03/2020] [Accepted: 07/07/2020] [Indexed: 01/14/2023] Open
Abstract
This study examines the role of anxiety and depression symptoms in predicting dietary choices in emerging adults while accounting for sex differences in these relationships. Participants were 225 English speaking undergraduates enrolled in a university in southeastern United States. Participants were recruited through an online research recruitment application utilized by the university. Participants volunteered for a two-phased anonymous survey monitoring the effects of eating habits and gastrointestinal health in young adults. As part of this effort, participants completed self-reporting measures related to anxiety and depression, as well as an automated, self-administered 24-h diet recall. Multigroup path analysis was used to test primary hypotheses. Overall, a decrease in total caloric intake and an increase in sugar consumption were found as self-reported symptoms of anxiety and depression increased. In addition, there were sex differences in the relationship between depression and food choices. Men consumed more saturated fat as well as less fruits and vegetables as self-reported symptoms of depression increased. Results suggest symptoms of depression are a greater risk factor for poor nutrition in male college students than females. The findings provide another justification to screen for psychological distress in student health services given the implications on behavioral lifestyle and health.
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Affiliation(s)
- Michelle M. Keck
- Department of Psychology, College of Sciences, University of Central Florida, Orlando, FL 32816, USA; (J.E.C.); (R.D.D.); (M.E.D.); (S.M.N.); (E.J.R.)
- Correspondence:
| | | | - Jeffrey E. Cassisi
- Department of Psychology, College of Sciences, University of Central Florida, Orlando, FL 32816, USA; (J.E.C.); (R.D.D.); (M.E.D.); (S.M.N.); (E.J.R.)
| | - Robert D. Dvorak
- Department of Psychology, College of Sciences, University of Central Florida, Orlando, FL 32816, USA; (J.E.C.); (R.D.D.); (M.E.D.); (S.M.N.); (E.J.R.)
| | - Michael E. Dunn
- Department of Psychology, College of Sciences, University of Central Florida, Orlando, FL 32816, USA; (J.E.C.); (R.D.D.); (M.E.D.); (S.M.N.); (E.J.R.)
| | - Sandra M. Neer
- Department of Psychology, College of Sciences, University of Central Florida, Orlando, FL 32816, USA; (J.E.C.); (R.D.D.); (M.E.D.); (S.M.N.); (E.J.R.)
| | - Emily J. Ross
- Department of Psychology, College of Sciences, University of Central Florida, Orlando, FL 32816, USA; (J.E.C.); (R.D.D.); (M.E.D.); (S.M.N.); (E.J.R.)
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24
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Zhang R, Yang X, Yang R, Xu Z, Sui N, Gao X. Wanting to eat matters: Negative affect and emotional eating were associated with impaired memory suppression of food cues. Appetite 2020; 150:104660. [PMID: 32171780 DOI: 10.1016/j.appet.2020.104660] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/07/2020] [Accepted: 03/09/2020] [Indexed: 12/30/2022]
Abstract
OBJECTIVE Previous studies have linked emotional eating with negative affect and decreased inhibitory control. However, studies on inhibitory control have generally focused on motor inhibition. How to stop higher-level cognitive processes, such as food-related memory retrieval or voluntary thoughts, received few direct investigation in field of food intake or food-related decision making. The current study, adopting Anderson and Green's Think/No-Think paradigm, aimed to investigate the relationship between emotional eating, negative affect and food-related memory suppression. METHOD Sixty-one young females participated in the current study, during which they finished food specific Think/No-Think task. Their positive and negative affect and eating style were measured using Positive Affect and Negative Affect Schedule and Dutch Eating Behavior Question. The reward value of the food item used in the Think/No-Think task was measured using liking and wanting ratings. RESULTS As hypothesized, negative affect and emotional eating were associated with decreased memory suppression of palatable food cues. Further analysis showed that higher emotional eating was associated with greater wanting only among the food items which were previously suppressed however remembered later. DISCUSSION The current study presents the first evidence that negative affect and emotional eating were associated with impaired memory suppression of palatable food cues, and it provided insight into the interaction between reward valuation for the food cues and hippocampal memory mechanisms during retrieval suppression.
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Affiliation(s)
- Ruyi Zhang
- Faculty of Psychology, Southwest University, Chongqing, China; Key Laboratory of Cognition and Personality (Ministry of Education), Southwest University, Chongqing, 400715, China
| | - Xinmeng Yang
- Faculty of Psychology, Southwest University, Chongqing, China; Key Laboratory of Cognition and Personality (Ministry of Education), Southwest University, Chongqing, 400715, China
| | - Runlan Yang
- Faculty of Psychology, Southwest University, Chongqing, China
| | - Ziru Xu
- Faculty of Psychology, Southwest University, Chongqing, China; Key Laboratory of Cognition and Personality (Ministry of Education), Southwest University, Chongqing, 400715, China
| | - Nan Sui
- CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China
| | - Xiao Gao
- Faculty of Psychology, Southwest University, Chongqing, China; Key Laboratory of Cognition and Personality (Ministry of Education), Southwest University, Chongqing, 400715, China; CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China.
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25
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Brutman J, Davis JF, Sirohi S. Behavioral and Neurobiological Consequences of Hedonic Feeding on Alcohol Drinking. Curr Pharm Des 2020; 26:2309-2315. [PMID: 32026772 PMCID: PMC7321868 DOI: 10.2174/1381612826666200206092231] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 01/07/2020] [Indexed: 12/11/2022]
Abstract
A complex interplay of peripheral and central signaling mechanisms within the body of an organism maintains energy homeostasis. In addition, energy/food intake is modified by various external factors (e.g., palatability, food availability, social and environmental triggers). Highly palatable foods can provoke maladaptive feeding behavior, which in turn disrupts normal homeostatic regulation resulting in numerous health consequences. Furthermore, neuroendocrine peptides, traditionally considered to regulate appetite and energy homeostasis, also control the intake and reinforcing properties of alcohol and drugs of abuse. Therefore, dysregulated eating as a result of a hedonic/binge-like intake of hyper-palatable food may impact alcohol drinking behavior. Relevant in this case is the fact that eating disorders are highly comorbid with several neuropsychiatric conditions, including alcohol use disorder. The present review is intended to summarize the neurobiological and functional consequences of hedonic feeding on alcohol intake.
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Affiliation(s)
- Julianna Brutman
- Department of Integrative Physiology and Neuroscience, Washington State University, Pullman, WA
| | - Jon F. Davis
- Department of Integrative Physiology and Neuroscience, Washington State University, Pullman, WA
| | - Sunil Sirohi
- Laboratory of Endocrine and Neuropsychiatric Disorders, Division of Basic Pharmaceutical Sciences, College of Pharmacy, Xavier University of Louisiana, New Orleans, LA
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