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Schleifenbaum L, Stern J, Driebe JC, Wieczorek LL, Gerlach TM, Arslan RC, Penke L. Ovulatory cycle shifts in human motivational prioritisation of sex and food. Horm Behav 2024; 162:105542. [PMID: 38636206 DOI: 10.1016/j.yhbeh.2024.105542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 02/19/2024] [Accepted: 04/03/2024] [Indexed: 04/20/2024]
Abstract
Previous research on the endogenous effects of ovarian hormones on motivational states in women has focused on sexual motivation. The Motivational Priority Shifts Hypothesis has a broader scope. It predicts a shift from somatic to reproductive motivation when fertile. In a highly powered preregistered online diary study across 40 days, we tested whether 390 women report such an ovulatory shift in sexual and eating motivation and behaviour. We compared 209 naturally cycling women to 181 women taking hormonal contraceptives (HC) to rule out non-ovulatory changes across the cycle as confounders. We found robust ovulatory decreases in food intake and increases in general sexual desire, in-pair sexual desire and initiation of dyadic sexual behaviour. Extra-pair sexual desire increased mid-cycle, but the effect did not differ significantly in HC women, questioning an ovulatory effect. Descriptively, solitary sexual desire and behaviour, dyadic sexual behaviour, appetite, and satiety showed expected mid-cycle changes that were diminished in HC women, but these failed to reach our strict preregistered significance level. Our results provide insight into current theoretical debates about ovulatory cycle shifts while calling for future research to determine motivational mechanisms behind ovulatory changes in food intake and considering romantic partners' motivational states to explain the occurrence of dyadic sexual behaviour.
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Affiliation(s)
- Lara Schleifenbaum
- Georg August University Goettingen, Germany; Leibniz ScienceCampus Primate Cognition, Germany
| | | | | | | | - Tanja M Gerlach
- Georg August University Goettingen, Germany; Leibniz ScienceCampus Primate Cognition, Germany; Queen's University Belfast, UK
| | | | - Lars Penke
- Georg August University Goettingen, Germany; Leibniz ScienceCampus Primate Cognition, Germany.
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Çetiner-Okşin B, Güzel Y, Aktitiz S, Koşar ŞN, Turnagöl HH. Energy balance and energy availability of female basketball players during the preparation period. JOURNAL OF THE AMERICAN NUTRITION ASSOCIATION 2023; 42:807-813. [PMID: 36847823 DOI: 10.1080/27697061.2023.2183432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 02/17/2023] [Indexed: 03/01/2023]
Abstract
OBJECTIVE To determine the level of energy balance and energy availability (EA) in female basketball players during the preparation period. METHODS Fifteen basketball players (age: 19.53 ± 1.3 years; height: 173.6 ± 8.95 cm; weight: 67.55 ± 14.34 kg; training experience: 9.6 ± 2.7 years) and 15 age and body mass index-matched controls (age: 19.53 ± 1.1 years; height: 169.4 ± 5.06 cm; weight: 63.10 ± 6.14 kg) participated in the study. Resting metabolic rate (RMR) and body composition were measured by the indirect calorimetric method and dual-energy x-ray absorptiometry, respectively. A 3-day food diary was used to determine macronutrients and energy intake while a 3-day physical activity log was used to determine energy expenditure. Independent Samples t-test was used for data analysis. RESULTS The daily energy intake and expenditure of female basketball players were 2136.5 ± 594.9 kcal·day-1 and 2953.8 ± 614.5 kcal·day-1, respectively, indicating 817 ± 779 kcal·day-1 of negative energy balance. One hundred percent and 66.6% of the athletes failed to meet the carbohydrate and protein intake recommendations, respectively. EA of female basketball players was 33.04 ± 15.69 kcal·fat free mass-1·day-1 and the percentages of athletes who had negative energy balance, low EA, and reduced EA were 80%, 40%, and 46.7%, respectively. However, despite the low and decreased EA, the measured RMR to predicted RMR ratio (RMRratio) was 1.31 ± 0.17 and the body fat percentage (BF%) was 31.00 ± 5.21%. CONCLUSION This study shows that female basketball players have a negative energy balance during the preparation period which can be partly explained by insufficient carbohydrate intake. Although most of the athletes experienced low or reduced EA during the preparation period, the physiologically normal RMRratio and relatively high BF% indicate that this is a transient situation. In this regard, strategies to prevent the development of low EA and negative energy balance during the preparation period will contribute to positive training adaptations throughout the competition period.
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Affiliation(s)
- Bengisu Çetiner-Okşin
- Division of Exercise Nutrition and Metabolism, Faculty of Sport Sciences, Hacettepe University, Ankara, Türkiye
| | - Yasemin Güzel
- Division of Exercise Nutrition and Metabolism, Faculty of Sport Sciences, Hacettepe University, Ankara, Türkiye
| | - Selin Aktitiz
- Division of Exercise Nutrition and Metabolism, Faculty of Sport Sciences, Hacettepe University, Ankara, Türkiye
| | - Şükran Nazan Koşar
- Division of Exercise Nutrition and Metabolism, Faculty of Sport Sciences, Hacettepe University, Ankara, Türkiye
| | - Hüseyin Hüsrev Turnagöl
- Division of Exercise Nutrition and Metabolism, Faculty of Sport Sciences, Hacettepe University, Ankara, Türkiye
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Gloe LM, Russman Block S, Klump KL, Beltz AM, Moser JS. Determining menstrual cycle phase: An empirical examination of methodologies and recommendations for improvement in behavioral and brain sciences. Horm Behav 2023; 155:105421. [PMID: 37666081 PMCID: PMC10714354 DOI: 10.1016/j.yhbeh.2023.105421] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 08/02/2023] [Accepted: 08/21/2023] [Indexed: 09/06/2023]
Abstract
The recent decade has brought an exciting proliferation of behavioral, psychological and neuroscientific research involving the menstrual cycle. However, the reliability and validity of many popular methodologies for determining menstrual cycle phase lack empirical examination. These under-investigated methods include: (1) predicting menstrual cycle phase using self-report information only (e.g., "count" methods), (2) utilizing ovarian hormone ranges to determine menstrual cycle phase, and (3) using ovarian hormone changes from limited measurements (e.g., two time points) to determine menstrual cycle phase. In the current study, we examine the accuracy of these methods for menstrual cycle phase determination using 35-day within-person assessments of circulating ovarian hormones from 96 females across the menstrual cycle. Findings indicate that all three common methods are error-prone, resulting in phases being incorrectly determined for many participants, with Cohen's kappa estimates ranging from -0.13 to 0.53 indicating disagreement to only moderate agreement depending on the comparison. Such methodological challenges are surmountable through careful study design, more frequent hormone assays (when possible), and utilization of sophisticated statistical methods. With increased methodological rigor in behavioral, psychological and neuroscientific research, the field will be poised to detect biobehavioral correlates of ovarian hormone fluctuations for the betterment of the mental health and wellbeing of millions of females.
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Affiliation(s)
- Lilianne M Gloe
- Department of Psychology, Michigan State University, East Lansing, MI 48823, USA; Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN 55905, USA.
| | - Stefanie Russman Block
- Department of Psychology, Michigan State University, East Lansing, MI 48823, USA; Department of Psychiatry, University of Michigan, Ann Arbor, MI 48109, USA
| | - Kelly L Klump
- Department of Psychology, Michigan State University, East Lansing, MI 48823, USA
| | - Adriene M Beltz
- Department of Psychology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jason S Moser
- Department of Psychology, Michigan State University, East Lansing, MI 48823, USA
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4
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Abstract
Females are often underrepresented in the scientific literature, but awareness of the need for female-specific research is increasing. Review articles have been published on the effects of the menstrual cycle on aspects of exercise performance and physiology, yet to date no research has reviewed the effect of menstrual cycle phase on dietary energy intake. Fluctuations in endogenous sex hormones across the menstrual cycle influence a range of physiological processes, including those involved in nutritional status. Observational research typically quantifies female athletes' nutritional intakes at a single time point; however, this may provide inaccurate information if dietary intake fluctuates across the menstrual cycle. Similarly, this may have implications for interventional research, where dietary intake is often poorly controlled or monitored. This review aimed to synthesize the published literature on dietary energy intakes of naturally menstruating females in various phases of the menstrual cycle. The review critiques the relevant literature in light of recent publications on good practice for female research, explores the impact of the menstrual cycle on energy intake, identifies gaps within the evidence base, and informs future research. Overall, energy intake appears to be lower in the follicular phase compared with the luteal phase, with a particular decrease in the days leading up to and including ovulation. The magnitude of these fluctuations is not yet clearly quantifiable and most likely varies, both between individuals, and from cycle to cycle. This review notes the lack of high-quality research investigating the energy intakes of females across the menstrual cycle, and the very limited data available for female athletes and others who undertake large amounts of physical activity. It also highlights the need for researchers to take into consideration anovulatory cycles and the potential effects of premenstrual disorders on dietary intake.
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Affiliation(s)
- Michaela M Rogan
- are with the Department of Human Nutrition, University of Otago, Dunedin, New Zealand
| | - Katherine E Black
- K.E. Black, Department of Human Nutrition, University of Otago, PO Box 54, Dunedin, Otago, New Zealand. E-mail:
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Effect of transcranial direct current stimulation on homeostatic and hedonic appetite control and mood states in women presenting premenstrual syndrome across menstrual cycle phases. Physiol Behav 2023; 261:114075. [PMID: 36627037 DOI: 10.1016/j.physbeh.2023.114075] [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: 09/18/2022] [Revised: 01/05/2023] [Accepted: 01/06/2023] [Indexed: 01/09/2023]
Abstract
PURPOSE This study investigated the acute effect of anodal transcranial direct current stimulation (a-tDCS) over the left dorsolateral prefrontal cortex (DLPFC) on appetite, energy intake, food preferences, and mood states in the luteal and follicular phases of the menstrual cycle in women presenting premenstrual syndrome. METHODS Sixteen women (26.5 ± 5.2 years; 1.63 ± 0.1 m; 64.2 ± 12.8 kg; body mass index 24.0 ± 5.0 kg/m2; body fat 27.6 ± 7.5%) with the eumenorrheic menstrual cycle were submitted to a-tDCS and sham-tDCS conditions over their follicular and luteal phases. At pre - and post-tDCS, hunger and desire to eat something tasty, (analogic visual scale), the profile of mood states (POMS), and the psychological components of food preferences (Leeds Food Preference Questionnaire-BR) were assessed. Participants recorded their food intake for the rest of the day using a diary log. RESULTS There was a trend towards main effect of condition for decreased implicit wanting for low-fat savory food after a-tDCS but not sham-tDCS regardless of menstrual cycle phase (p = 0.062). There was no effect for self-reported hunger, desire to eat, energy and macronutrient intake, and on other components of food preferences (explicit liking and wanting for low- and high-fat savory and sweet foods, implicit wanting for low- and high-fat sweet and high-fat savory food); as well as for mood states. CONCLUSIONS Although no significant effects of a-tDCS were found, the present investigation provides relevant perspectives for future studies.
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6
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Yao F, Zhuang Y, Shen X, Wang X. Attentional bias towards appealing and disgusting food cues varies with the menstrual cycle. Appetite 2022; 175:106063. [PMID: 35513206 DOI: 10.1016/j.appet.2022.106063] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 04/15/2022] [Accepted: 04/22/2022] [Indexed: 11/02/2022]
Abstract
Ovarian hormonal changes along the female menstrual cycle are believed to adapt women to the external environment through various adaptive strategies, including modulating appetite and eating behavior. We aimed to compare food-associated behavioral responses between two distinct menstrual phases (late follicular vs. mid-luteal) and investigate the underlying neural mechanism. Attentional bias towards visual food cues was repeatedly measured in 29 healthy young women during these two menstrual phases in a counterbalanced manner. Combining an emotional dot-probe task with frequency-tagged electroencephalography (EEG), we confirmed that the menstrual cycle modulated healthy women's attentional bias towards appealing and disgusting food cues. Women in the mid-luteal phase showed more avoidance of disgusting food cues, as reflected by a significantly longer response time. Steady-state visual evoked potential (SSVEP) results indicated that they exhibited a trend of transiently enhanced attentional bias towards appealing food cues and another trend of speeded attentional withdrawal from disgusting food cues during the mid-luteal phase relative to the late follicular phase, albeit non-significant after correction for multiple testing. Moreover, a significantly larger P3 amplitude was evoked by probes following the presentation of disgusting food cues in the mid-luteal phase than the late follicular phase. These findings indicate divergent attentional deployments on emotional food cues across menstrual phases and suggest the mid-luteal phase as a relatively sensitive stage in the menstrual cycle for women to regulate their appetite and eating behavior.
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Affiliation(s)
- Fangshu Yao
- School of Psychology, Shanghai University of Sport, Shanghai, China
| | - Yiyun Zhuang
- School of Psychology, Shanghai University of Sport, Shanghai, China
| | - Xueer Shen
- School of Psychology, Shanghai University of Sport, Shanghai, China
| | - Xiaochun Wang
- School of Psychology, Shanghai University of Sport, Shanghai, China.
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Tindall AM, Stallings VA. Sex differences in cardiovascular risk may be related to sex differences in diet patterns: a narrative review. Ann Hum Biol 2022; 48:517-524. [PMID: 35105204 DOI: 10.1080/03014460.2021.1998621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
CONTEXT Cardiovascular disease (CVD) is the leading cause of death in the United States and globally. The social and biological differences in diet patterns among men and women may play a role in their differential cardiovascular risk. OBJECTIVE To describe the dietary patterns associated with CVD risk and investigate the differences in diet patterns between men and women, if these differences affect cardiovascular risk, and to explore potential mechanisms of action. METHODS Diet patterns associated with CVD risk were described based on epidemiological and experimental trials. Observational and experimental studies together with systematic and non-systematic reviews were synthesised to examine sex differences in diet and cardiovascular risk factors. RESULTS Differences in vasculature and body composition between sexes may be mediated by dissimilarities in adherence to diet patterns and nutrient metabolism. Salt sensitivity and breakdown and storage of lipids may account for some differences in CVD risk between men and women. Sex differences in social norms, cognitive processing, and odour perception may be affected by biological differences and contribute to differences in cardiovascular risk and dietary patterns. CONCLUSION The relation between diet patterns and cardiovascular risk is well-established and sex differences in diet patterns likely differentially affect CVD risk between men and women.
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Affiliation(s)
- A M Tindall
- Division of Gastroenterology, Hepatology & Nutrition, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - V A Stallings
- Division of Gastroenterology, Hepatology & Nutrition, Children's Hospital of Philadelphia, Philadelphia, PA, USA.,Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
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8
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Yao F, Chen K, Zhuang Y, Shen X, Wang X. Mid-Luteal Olfactory Abilities Reveal Healthy Women’s Emotional and Cognitive Functions. Front Neurosci 2022; 16:826547. [PMID: 35173576 PMCID: PMC8841682 DOI: 10.3389/fnins.2022.826547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 01/10/2022] [Indexed: 11/24/2022] Open
Abstract
Ovarian hormones modulate women’s physical and psychological states periodically. Although the olfactory function is increasingly recognized as a reflection of physical and mental health conditions in the clinic, the role of olfaction in emotional and cognitive functions for healthy individuals has yet to be elucidated, especially when taking the menstrual cycle into account. We carried out a comprehensive investigation to explore whether the menstrual cycle could modulate women’s olfactory function and whether healthy women’s emotional symptoms and behavioral impulsivity could be characterized by their olfactory abilities at a specific menstrual cycle stage. Twenty-nine healthy young women were evaluated repeatedly using a standard olfactory test battery during the late follicular and mid-luteal phases. Their emotional symptoms and behavioral impulsivity were separately quantified via psychometric scales and a stop-signal task. We observed enhanced olfactory discrimination performance during the mid-luteal phase than the late follicular phase. We also found that women’s better olfactory discrimination and worse olfactory threshold in the mid-luteal phase predicted fewer individual emotional symptoms and lower behavioral impulsivity, respectively. These relationships were nonetheless absent in the late follicular phase. Our data extend previous clinical observations of the coexistence of olfactory deficits and neuropsychiatric disorders, providing new insights into the significance of olfaction and ovarian hormones for emotional and cognitive functions.
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Affiliation(s)
- Fangshu Yao
- School of Psychology, Shanghai University of Sport, Shanghai, China
| | - Kepu Chen
- State Key Laboratory of Brain and Cognitive Science, CAS Center for Excellence in Brain Science and Intelligence Technology, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
| | - Yiyun Zhuang
- School of Psychology, Shanghai University of Sport, Shanghai, China
| | - Xueer Shen
- School of Psychology, Shanghai University of Sport, Shanghai, China
| | - Xiaochun Wang
- School of Psychology, Shanghai University of Sport, Shanghai, China
- *Correspondence: Xiaochun Wang,
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Shah SB. COVID-19 and Progesterone: Part 1.SARS-CoV-2, Progesterone and its potential clinical use. ENDOCRINE AND METABOLIC SCIENCE 2021; 5:100109. [PMID: 34396353 PMCID: PMC8349425 DOI: 10.1016/j.endmts.2021.100109] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/28/2021] [Accepted: 08/02/2021] [Indexed: 12/24/2022] Open
Abstract
SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus 2) infection is a global medical challenge. Experience based medicines and therapies are being attempted and vaccines are being developed. SARS-CoV-2 exhibits varied patterns of infection and clinical presentations with varied disease outcomes. These attributes are strongly suggestive of some variables that differ among individuals and that affect the course of SARS-CoV-2 infection and symptoms of COVID-19 (Corona Virus Disease of 2019). Sex hormones vary with ageing, between the sexes, among individuals and populations. Sex hormones are known to play a role in immunity and infections. Progesterone is a critical host factor to promote faster recovery following Influenza A virus infection. Anti-inflammatory effects of progesterone are noted. In part 1 of the current study the regulatory role of progesterone for SARS-CoV-2 infection and COVID-19 is analyzed. The role of progesterone at different stages of the SARS CoV-2 infection is investigated with respect to two types of immunity status: immune regulation and immune dysregulation. Progesterone could have various alleviating impacts from SARS-CoV-2 entry till recovery: reversing of hypoxia, stabilizing of blood pressure, controlling thrombosis, balancing electrolytes, reducing the viral load, regulation of immune responses, damage repair, and clearance of debris among others. The present research adds to the available evidence by providing a comprehensive and thorough evaluation of the regulatory role of progesterone in SARS COV-2 infection, COVID-19 pathogenesis, and immune dysregulation. The available evidence has implications for upcoming studies about pathophysiology of COVID-19, as well as the roles of progesterone and other hormones in other infectious diseases.
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Stanić Ž, Pribisalić A, Bošković M, Bućan Cvitanić J, Boban K, Bašković G, Bartulić A, Demo S, Polašek O, Kolčić I. Does Each Menstrual Cycle Elicit a Distinct Effect on Olfactory and Gustatory Perception? Nutrients 2021; 13:2509. [PMID: 34444669 PMCID: PMC8401541 DOI: 10.3390/nu13082509] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 07/15/2021] [Indexed: 01/29/2023] Open
Abstract
The obesity pandemic has brought forth a scientific interest in food intake and sensory perception interactions. Olfactory perception and gustatory perception are very complex and under the influence of many factors, including the menstrual cycle. This study aims to clarify conflicting findings on the influence of the menstrual cycle on olfactory and gustatory perception. Women were assessed during four consecutive phases of one complete cycle (mid-follicular, ovulatory, mid-luteal, and late luteal phases (N = 21)), in contrast to women measured across the same phases belonging to two menstrual cycles (N = 29). Additional control groups were men (N = 17), postmenopausal women (N = 14), oral contraceptive users (N = 10), and women with an anovulatory cycle (N = 8). Olfactory threshold, odor discrimination, and identification were tested using the "Sniffin Sticks" test kit. Suprathreshold intensity and hedonic ratings for sweet, salty, sour, and bitter solutions were assessed. One-way ANOVA and ANOVA for repeated measurements was applied in the analysis, along with linear and trigonometric data fitting and linear mixed models. Linear increases in olfactory discrimination, identification, and overall olfactory performance were observed only in women followed across a complete menstrual cycle. Compared to other groups, these women displayed a cyclic pattern characterized by a predilection for sweet solution; reduced distaste for salty and sour solutions; and increased intensity perception of salty, sour, and bitter solutions towards the end of the cycle. These results suggest that a distinct hormonal milieu of a complete menstrual cycle may be affecting both olfactory and gustatory perception.
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Affiliation(s)
- Žana Stanić
- Department of Integrative Gynecology, Obstetrics and Minimally Invasive Gynaecologic Surgery, General Hospital Zabok and Hospital of Croatian Veterans, Bračak 8, 49210 Zabok, Croatia;
| | - Ajka Pribisalić
- Department of Public Health, University of Split School of Medicine, Šoltanska 2, 21000 Split, Croatia; (A.P.); (O.P.)
| | - Maria Bošković
- Department of Immunology and Medical Genetics, University of Split School of Medicine, Šoltanska 2, 21000 Split, Croatia;
| | - Jasna Bućan Cvitanić
- Department of Anaesthesiology, Reanimatology and Intensive Care, General Hospital Koprivnica, Zeljka Salingera 1, 48000 Koprivnica, Croatia;
| | - Kristina Boban
- Primary Health Centre Zagreb West, Trsje 19b, 10000 Zagreb, Croatia;
| | - Gabriela Bašković
- Department of Cardiology, General Hospital Bjelovar, Ul. Antuna Mihanovića 8, 43000 Bjelovar, Croatia;
| | - Antonija Bartulić
- Department of Anaesthesiology and Intensive Care, University Hospital Split, Spinčićeva 1, 21000 Split, Croatia;
| | - Suzana Demo
- Primary Health Center of Split-Dalmatia County, Kavanjinova 2, 21000 Split, Croatia;
| | - Ozren Polašek
- Department of Public Health, University of Split School of Medicine, Šoltanska 2, 21000 Split, Croatia; (A.P.); (O.P.)
| | - Ivana Kolčić
- Department of Public Health, University of Split School of Medicine, Šoltanska 2, 21000 Split, Croatia; (A.P.); (O.P.)
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Poessel M, Breuer N, Joshi A, Pampel A, Villringer A, Hummel T, Horstmann A. Reduced Olfactory Bulb Volume in Obesity and Its Relation to Metabolic Health Status. Front Hum Neurosci 2020; 14:586998. [PMID: 33328935 PMCID: PMC7729134 DOI: 10.3389/fnhum.2020.586998] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 11/03/2020] [Indexed: 12/12/2022] Open
Abstract
Smell perception plays an important role in eating behavior and might be involved in body weight gain. Since a body of literature implies that olfactory perception and function is hampered in obesity, we here investigate neuroanatomical correlates of this phenomenon. We assessed olfactory bulb (OB) volume with magnetic resonance imaging in 67 healthy participants with a body mass index (BMI) from 18.9 to 45.4 kg/m2 (mean = 28.58 ± 6.64). Moreover, we obtained psychophysiological data on olfactory ability (Sniffin' Sticks, Food associated odor test) and self-report measurements on eating behavior. Additionally, we collected parameters associated with metabolic health in obesity (waist-hip ratio, waist-height ratio, leptin levels, body fat percentage, fat mass index, insulin resistance) to investigate recently proposed mechanistic explanatory models of why olfaction may be altered in obesity. We showed that OB volume was significantly lower in participants with obesity when compared to those of normal weight. Moreover, we found weak to moderate negative correlations between OB volume and BMI and related measures of metabolic health, especially leptin, body fat percentage, waist-height ratio and insulin resistance. However, neither OB volume nor BMI were related to olfactory function in our young and healthy sample. Nevertheless, our results provide first indications that obesity is associated with brain anatomical changes in the OBs.
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Affiliation(s)
- Maria Poessel
- Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
- Integriertes Forschungs- und Behandlungszentrum (IFB) Adiposity Diseases, Leipzig University Medical Center, Leipzig, Germany
| | - Nora Breuer
- Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
- Integriertes Forschungs- und Behandlungszentrum (IFB) Adiposity Diseases, Leipzig University Medical Center, Leipzig, Germany
| | - Akshita Joshi
- Smell and Taste Clinic, Department of Otorhinolaryngology, University of Dresden Medical School, Dresden, Germany
| | - André Pampel
- Department of Neurophysics, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
| | - Arno Villringer
- Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
- Day Clinic for Cognitive Neurology, University Hospital at the University of Leipzig, Leipzig, Germany
- Berlin School of Mind and Brain, Mind Brain Body Institute, Humboldt-Universität zu Berlin, Berlin, German
- Charité – Universitätsmedizin Berlin, Berlin, Germany
- International Max Planck Research School on the Life Course, Max Planck Institute for Human Development, Berlin, Germany
- International Max Planck Research School on the Neuroscience of Communication, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
| | - Thomas Hummel
- Smell and Taste Clinic, Department of Otorhinolaryngology, University of Dresden Medical School, Dresden, Germany
| | - Annette Horstmann
- Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
- Integriertes Forschungs- und Behandlungszentrum (IFB) Adiposity Diseases, Leipzig University Medical Center, Leipzig, Germany
- Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Leipzig University Medical Center, Collaborative Research Council (CRC) 1052A5 ‘Obesity Mechanisms’, Leipzig, Germany
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12
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Insulin Resistance Is Associated with Reduced Food Odor Sensitivity across a Wide Range of Body Weights. Nutrients 2020; 12:nu12082201. [PMID: 32721994 PMCID: PMC7468861 DOI: 10.3390/nu12082201] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/18/2020] [Accepted: 07/20/2020] [Indexed: 02/06/2023] Open
Abstract
The worldwide obesity epidemic is a major health problem driven by the modern food environment. Recently, it has been shown that smell perception plays a key role in eating behavior and is altered in obesity. However, the underlying mechanisms of this phenomenon are not well understood yet. Since the olfactory system is closely linked to the endocrine system, we hypothesized that hormonal shifts in obesity might explain this relationship. In a within-subject, repeated-measures design, we investigated sensitivity to a food and a non-food odor in the hungry and sated state in 75 young healthy (26 normal weight, 25 overweight, and 24 obese) participants (37 women). To determine metabolic health status and hormonal reactivity in response to food intake, we assessed pre- and postprandial levels of insulin, leptin, glucose, and ghrelin. Odor sensitivity did not directly depend on body weight status/body mass index (BMI) or hunger state. However, we could establish a strong negative mediating effect of insulin resistance on the relationship between BMI/waist-hip ratio and olfactory sensitivity for the food odor. These findings indicate an impact of metabolic health status on sensitivity to food odors. Our results contribute to a better understanding of the mechanisms behind altered smell perception in obesity.
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Holmbäck U, Forslund A, Grudén S, Alderborn G, Söderhäll A, Hellström PM, Lennernäs H. Effects of a novel combination of orlistat and acarbose on tolerability, appetite, and glucose metabolism in persons with obesity. Obes Sci Pract 2020; 6:313-323. [PMID: 32523721 PMCID: PMC7278902 DOI: 10.1002/osp4.405] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 01/14/2020] [Accepted: 01/15/2020] [Indexed: 01/16/2023] Open
Abstract
OBJECTIVE There is an unmet medical need for a safe and effective weight loss product with minimal systemic side-effects. In this study, the effect of a novel modified-release fixed-dose combination of orlistat and acarbose (MR-OA) was compared with conventional orlistat (CO) regarding tolerability, appetite and glucose metabolism. METHODS Sixty-seven men with obesity, aged 24 to 60 years with body mass indexes (BMIs) 33 to 40 kg m-2 or BMIs 30 to 32 kg m-2 and waist circumference above 102 cm were included. They were randomized to either three different doses of the test formulation MR-OA (60 mg orlistat/20 mg acarbose, 90/30 and 120/40) or CO (Xenical, 120 mg orlistat) for a 2-week study of daily treatment. The participants spent days 1 and 14 at the clinical research centre where they received standardized meals, had blood sampling and filled in questionnaires regarding tolerability and appetite after meals. In days 2 to 13, the participants were at home and continued to fill in the questionnaires daily. RESULTS In the MR-OA groups, reports of liquid and oily stools as well as faecal incontinence were fewer, whereas reports of gastric distension and flatulence were higher, compared with the CO group. More participants reported decreased hunger in the 90/30 and 120/40 MR-OA, and postprandial plasma glucose concentration was reduced in all MR-OA groups compared with CO. CONCLUSIONS This study shows that by using a modified-release dosage form, orlistat and acarbose can be combined without compromising tolerability. Furthermore, MR-OA shows promising effects regarding reduction of appetite and reduces postprandial glucose. Tolerability is coupled to compliance and thereby efficacy of a treatment; therefore, this novel combination MR-OA could be an effective approach for weight loss treatment. A follow-up study in a more diverse population and for a longer duration with weight loss as primary outcome variable is planned.
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Affiliation(s)
- Ulf Holmbäck
- Department of Public Health and Caring Sciences, Clinical Nutrition and MetabolismUppsala UniversityUppsalaSweden
| | - Anders Forslund
- Department of Women's and Children's HealthUppsala UniversityUppsalaSweden
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15
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Assessing the influence of fasted and postprandial states on day-to-day variability of appetite and food preferences. Physiol Behav 2019; 199:219-228. [PMID: 30447219 DOI: 10.1016/j.physbeh.2018.11.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/23/2018] [Accepted: 11/13/2018] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Ratings of subjective appetite and food hedonics provide valuable information about energy and macronutrient intake. Ensuring reproducibility of measures of subjective appetite, and food liking and wanting is essential for accurate understanding about their implementation in intervention studies. METHODS Nineteen participants participated in two separate 10-h test days consisting of 6 test meals. Subjective appetite was measured in the fasted state and periodically across the test day in a postprandial state. Liking and wanting were measured using the Leeds Food Preferences Questionnaire (LFPQ) immediately before and after breakfast, immediately before the second meal, and at the end of the test day. RESULTS Reproducibility of appetite scores was similar to those previously reported in males, however females tended to have consistently higher CVs, wider CRs and wider 95% CIs. Variability in food hedonics was of a similar magnitude to subjective appetite with CVs for fasting explicit liking and wanting between 15.3 and 33.4%, correlations for both implicit and explicit liking and wanting between 0.18 and 0.87 and CRs indicating 95% of between-day changes for any given individual should fall within ±43.4 mm of the mean change. Averages of food hedonics during the test day reduced CVs, improved correlations and reduced CRs. Despite no mean change in preceding energy and nutrient intake, individual changes in prior energy and macronutrient intake appeared to influence individual between-day changes in appetite and food hedonics, and appetite and food hedonics were intricately linked. CONCLUSIONS Larger subject numbers may be required for appetite studies with female participants due to greater appetite variability. The LFPQ as a tool for measuring implicit and explicit liking and wanting is sufficiently reproducible and improved by averaging multiple measures across a day.
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Charlot K, Malgoyre A, Bourrilhon C. Proposition for a shortened version of the Leeds Food Preference Questionnaire (LFPQ). Physiol Behav 2019; 199:244-251. [DOI: 10.1016/j.physbeh.2018.11.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/15/2018] [Accepted: 11/17/2018] [Indexed: 10/27/2022]
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Menstrual cycle rhythmicity: metabolic patterns in healthy women. Sci Rep 2018; 8:14568. [PMID: 30275458 PMCID: PMC6167362 DOI: 10.1038/s41598-018-32647-0] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 09/12/2018] [Indexed: 12/20/2022] Open
Abstract
The menstrual cycle is an essential life rhythm governed by interacting levels of progesterone, estradiol, follicular stimulating, and luteinizing hormones. To study metabolic changes, biofluids were collected at four timepoints in the menstrual cycle from 34 healthy, premenopausal women. Serum hormones, urinary luteinizing hormone and self-reported menstrual cycle timing were used for a 5-phase cycle classification. Plasma and urine were analyzed using LC-MS and GC-MS for metabolomics and lipidomics; serum for clinical chemistries; and plasma for B vitamins using HPLC-FLD. Of 397 metabolites and micronutrients tested, 208 were significantly (p < 0.05) changed and 71 reached the FDR 0.20 threshold showing rhythmicity in neurotransmitter precursors, glutathione metabolism, the urea cycle, 4-pyridoxic acid, and 25-OH vitamin D. In total, 39 amino acids and derivatives and 18 lipid species decreased (FDR < 0.20) in the luteal phase, possibly indicative of an anabolic state during the progesterone peak and recovery during menstruation and the follicular phase. The reduced metabolite levels observed may represent a time of vulnerability to hormone related health issues such as PMS and PMDD, in the setting of a healthy, rhythmic state. These results provide a foundation for further research on cyclic differences in nutrient-related metabolites and may form the basis of novel nutrition strategies for women.
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Rivera HM, Stincic TL. Estradiol and the control of feeding behavior. Steroids 2018; 133:44-52. [PMID: 29180290 PMCID: PMC5864536 DOI: 10.1016/j.steroids.2017.11.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 11/20/2017] [Accepted: 11/21/2017] [Indexed: 12/21/2022]
Abstract
This review lays out the evidence for the role of E2 in homeostatic and hedonic feeding across several species. While significant effort has been expended on homeostatic feeding research, more studies for hedonic feeding need to be conducted (i.e. are there increases in meal size and enhanced motivation to natural food rewards). By identifying the underlying neural circuitry involved, one can better delineate the mechanisms by which E2 influences feeding behavior. By utilizing more selective neural targeting techniques, such as optogenetics, significant progress can be made toward this goal. Together, behavioral and physiological techniques will help us to better understand neural deficits that can increase the risk for obesity in the absence of E2 (menopause) and aid in developing therapeutic strategies.
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Affiliation(s)
- H M Rivera
- Department of Physiology and Pharmacology, Oregon Health and Science University, Portland, OR 97239, USA
| | - T L Stincic
- Department of Physiology and Pharmacology, Oregon Health and Science University, Portland, OR 97239, USA.
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McNeil J, Lamothe G, Cameron JD, Riou MÈ, Cadieux S, Lafrenière J, Goldfield G, Willbond S, Prud'homme D, Doucet É. Investigating predictors of eating: is resting metabolic rate really the strongest proxy of energy intake? Am J Clin Nutr 2017; 106:1206-1212. [PMID: 28877891 DOI: 10.3945/ajcn.117.153718] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 08/10/2017] [Indexed: 11/14/2022] Open
Abstract
Background: Evidence suggests that fat-free mass and resting metabolic rate (RMR), but not fat mass, are strong predictors of energy intake (EI). However, body composition and RMR do not explain the entire variance in EI, suggesting that other factors may contribute to this variance.Objective: We aimed to investigate the associations between body mass index (in kg/m2), fat mass, fat-free mass, and RMR with acute (1 meal) and daily (24-h) EI and between fasting appetite ratings and certain eating behavior traits with daily EI. We also evaluated whether RMR is a predictor of the error variance in acute and daily EI.Design: Data collected during the control condition of 7 studies conducted in Ottawa, Ontario, Canada, were included in these analyses (n = 191 and 55 for acute and daily EI, respectively). These data include RMR (indirect calorimetry), body composition (dual-energy X-ray absorptiometry), fasting appetite ratings (visual analog scales), eating behavior traits (Three-Factor Eating Questionnaire), and EI (food buffet or menu).Results: Fat-free mass was the best predictor of acute EI (R2 = 0.46; P < 0.0001). The combination of fasting prospective food consumption ratings and RMR was the best predictor of daily EI (R2 = 0.44; P < 0.0001). RMR was a statistically significant positive predictor of the error variance for acute (R2 = 0.20; P < 0.0001) and daily (R2 = 0.23; P < 0.0001) EI. RMR did, however, remain a statistically significant predictor of acute (R2 = 0.32; P < 0.0001) and daily (R2 = 0.30; P < 0.0001) EI after controlling for this error variance.Conclusions: Our findings suggest that combined measurements of appetite ratings and RMR could be used to estimate EI in weight-stable individuals. However, greater error variance in acute and daily EI with increasing RMR values was observed. Future studies are needed to identify whether greater fluctuations in daily EI over time occur with increasing RMR values. This trial was registered at clinicaltrials.gov as NCT02653378.
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Affiliation(s)
- Jessica McNeil
- Cancer Epidemiology and Prevention Research, Alberta Health Services, Calgary, Alberta, Canada
| | | | - Jameason D Cameron
- Healthy Active Living and Obesity Research Group, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
| | - Marie-Ève Riou
- Behavioral and Metabolic Research Unit, School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | - Sébastien Cadieux
- Behavioral and Metabolic Research Unit, School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | - Jacynthe Lafrenière
- Institute of Nutrition and Functional Food, Laval University, Quebec, Quebec, Canada; and
| | - Gary Goldfield
- Healthy Active Living and Obesity Research Group, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
| | - Stephanie Willbond
- Behavioral and Metabolic Research Unit, School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | - Denis Prud'homme
- Behavioral and Metabolic Research Unit, School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada.,Institut de recherche de l'Hôpital Montfort, Ottawa, Ontario, Canada
| | - Éric Doucet
- Behavioral and Metabolic Research Unit, School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada;
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Abstract
PURPOSE OF REVIEW The aim of this review is to describe and discuss weight loss-induced variations in appetite in women and factors responsible for these changes. RECENT FINDINGS Studies have shown postweight loss increases in fasting and postprandial appetite in individuals engaged in weight loss trials, especially in women. Similarly, appetite-related peptides associated to the homeostatic control of feeding, such as leptin, ghrelin and peptide YY, were also found to be altered in way that promotes increased appetite after weight loss interventions. Sustained caloric deficits also drive increases in the frequency and strength of food cravings, food reward and seem to enhance oro-sensory sensations in women who lost weight. The menstrual cycle has also been to shown to influence caloric intake in women, more specifically food cravings. On the other hand, caloric restriction seems to increase cognitive restraint, decrease habitual disinhibition and susceptibility to hunger among women engaged in weight loss trials. Neural analysis corroborates these results, showing increased activation in brain areas involved in food reward and self-control processing. In conclusion, evidence supports that weight loss increases appetite sensations, and promotes changes in homeostatic and non-homeostatic control of feeding, which collectively seem to upregulate appetite in women.
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Affiliation(s)
| | | | | | - Éric Doucet
- School of Human Kinetics, University of Ottawa, Ottawa, Canada.
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Lafrenière J, McNeil J, Provencher V, Doucet É. The Effects of Food Labelling on Postexercise Energy Intake in Sedentary Women. J Obes 2017. [PMID: 28626589 PMCID: PMC5463167 DOI: 10.1155/2017/1048973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Food labelling has been previously reported to influence energy intake (EI). Whether food labels influence postexercise EI remains to be determined. We assessed how food labelling and exercise (Ex) interact to influence food perception and postexercise EI. In this randomized crossover design, 14 inactive women participated in 4 experimental conditions: Ex (300 kcal at 70% of VO2peak) and lunch labelled as low in fat (LF), Ex and lunch labelled as high in fat (HF), Rest and LF, and Rest and HF. The lunch was composed of a plate of pasta, yogurt, and oatmeal cookies, which had the same nutritional composition across the 4 experimental conditions. EI at lunch and for the 48-hour period covering the testing day and the following day was assessed. Furthermore, perceived healthiness of the meal and appetite ratings were evaluated. There were no effects of exercise and food labelling on EI. However, meals labelled as LF were perceived as heathier, and this label was associated with higher prospective food consumption. Initial beliefs about food items had a stronger effect on healthiness perception than the different food labels and explain the positive correlation with the amount of food consumed (ρ = 0.34, P < 0.001).
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Affiliation(s)
- Jacynthe Lafrenière
- Behavioural and Metabolic Research Unit, School of Human Kinetics, University of Ottawa, Ottawa, ON, Canada
| | - Jessica McNeil
- Behavioural and Metabolic Research Unit, School of Human Kinetics, University of Ottawa, Ottawa, ON, Canada
| | - Véronique Provencher
- Institute of Nutrition and Functional Foods, Laval University, Quebec City, QC, Canada
| | - Éric Doucet
- Behavioural and Metabolic Research Unit, School of Human Kinetics, University of Ottawa, Ottawa, ON, Canada
- *Éric Doucet:
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Pool E, Sennwald V, Delplanque S, Brosch T, Sander D. Measuring wanting and liking from animals to humans: A systematic review. Neurosci Biobehav Rev 2016; 63:124-42. [DOI: 10.1016/j.neubiorev.2016.01.006] [Citation(s) in RCA: 139] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 01/05/2016] [Accepted: 01/21/2016] [Indexed: 02/05/2023]
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Differing effects of high-fat or high-carbohydrate meals on food hedonics in overweight and obese individuals. Br J Nutr 2016; 115:1875-84. [PMID: 27001260 DOI: 10.1017/s0007114516000775] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Although the effects of dietary fat and carbohydrate on satiety are well documented, little is known about the impact of these macronutrients on food hedonics. We examined the effects of ad libitum and isoenergetic meals varying in fat and carbohydrate on satiety, energy intake and food hedonics. In all, sixty-five overweight and obese individuals (BMI=30·9 (sd 3·8) kg/m2) completed two separate test meal days in a randomised order in which they consumed high-fat/low-carbohydrate (HFLC) or low-fat/high-carbohydrate (LFHC) foods. Satiety was measured using subjective appetite ratings to calculate the satiety quotient. Satiation was assessed by intake at ad libitum meals. Hedonic measures of explicit liking (subjective ratings) and implicit wanting (speed of forced choice) for an array of HFLC and LFHC foods were also tested before and after isoenergetic HFLC and LFHC meals. The satiety quotient was greater after ad libitum and isoenergetic meals during the LFHC condition compared with the HFLC condition (P=0·006 and P=0·001, respectively), whereas ad libitum energy intake was lower in the LFHC condition (P<0·001). Importantly, the LFHC meal also reduced explicit liking (P<0·001) and implicit wanting (P=0·011) for HFLC foods compared with the isoenergetic HFLC meal, which failed to suppress the hedonic appeal of subsequent HFLC foods. Therefore, when coupled with increased satiety and lower energy intake, the greater suppression of hedonic appeal for high-fat food seen with LFHC foods provides a further mechanism for why these foods promote better short-term appetite control than HFLC foods.
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Martins C, Stensvold D, Finlayson G, Holst J, Wisloff U, Kulseng B, Morgan L, King NA. Effect of moderate- and high-intensity acute exercise on appetite in obese individuals. Med Sci Sports Exerc 2016; 47:40-8. [PMID: 24824772 DOI: 10.1249/mss.0000000000000372] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
PURPOSE The effect of acute exercise, and exercise intensity, on appetite control in obese individuals requires further study. The aim of this study was to compare the effects of acute isocaloric bouts (250 kcal) of high-intensity intermittent cycling (HIIC) and moderate-intensity continuous cycling (MICC) or short-duration HIIC (S-HIIC) (125 kcal) and a resting control condition on the appetite hormone responses, subjective feelings of appetite, energy intake (EI), and food reward in overweight/obese individuals. METHODS This study is a randomized crossover study on 12 overweight/obese volunteers. Participants were assigned to the control, MICC, HIIC, and S-HIIC conditions, 1 wk apart, in a counterbalanced order. Exercise was performed 1 h after a standard breakfast. An ad libitum test lunch was served 3 h after breakfast. Fasting/postprandial plasma samples of insulin, acylated ghrelin, polypeptide YY3-36, and glucagon-like peptide 1 and subjective feelings of appetite were measured every 30 min for 3 h. Nutrient and taste preferences were measured at the beginning and end of each condition using the Leeds Food Preference Questionnaire. RESULTS Insulin levels were significantly reduced, and glucagon-like peptide 1 levels significantly increased during all exercise bouts compared with those during rest. Acylated ghrelin plasma levels were lower in the MICC and HIIC, but not in S-HIIC, compared with those in control. There were no significant differences for polypeptide YY3-36 plasma levels, hunger or fullness ratings, EI, or food reward. CONCLUSIONS Our findings suggest that, in overweight/obese individuals, isocaloric bouts of moderate- or high-intensity exercise lead to a similar appetite response. This strengthens previous findings in normal-weight individuals that acute exercise, even at high intensity, does not induce any known physiological adaptation that would lead to increased EI.
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Affiliation(s)
- Catia Martins
- 1Obesity Research Group, Department of Cancer Research and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, NORWAY; 2Center for Obesity, Department of Surgery, St. Olavs Hospital-Trondheim University Hospital, Trondheim, NORWAY; 3K. G. Jebsen Center of Exercise in Medicine, Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, NORWAY; 4BioPsychology Group, Institute of Psychological Sciences, University of Leeds, Leeds, UNITED KINGDOM; 5Department of Biomedical Sciences, University of Copenhagen, Copenhagen, DENMARK; 6Department of Nutrition and Metabolism, University of Surrey, Guildford, UNITED KINGDOM; and 7Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, AUSTRALIA
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Leenaars CHC, Zant JC, Aussems A, Faatz V, Snackers D, Kalsbeek A. The Leeds food preference questionnaire after mild sleep restriction - A small feasibility study. Physiol Behav 2015; 154:28-33. [PMID: 26562187 DOI: 10.1016/j.physbeh.2015.11.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 08/29/2015] [Accepted: 11/07/2015] [Indexed: 10/22/2022]
Abstract
Besides the increased sedentary lifestyle and increased caloric intake, changes in dietary composition may play an important role in the increased prevalence of obesity. Because inadequate sleep could be a risk factor in the aetiology of obesity, reliable methods for assessing food intake and food choice after sleep restriction are needed. We translated the Leeds food preference questionnaire (LFPQ), addressing preferences for sweet/savoury tastes and low-fat/high-fat foods, into Dutch, and tested it in 15 mildly sleep-restricted psychology students. The participants completed the LFPQ in our laboratory on two separate occasions, with approximately one week in between. Sleep on the preceding night was not controlled, but mild sleep-restriction was confirmed by a short sleep latency test (sSLT) or a short maintenance of wakefulness test (sMWT). Each participant completed the sSLT and sMWT once, just before the LFPQ, in a cross-over design randomised for the first test. Differences were present in preferences for food items from different categories (sweet/savoury and low-fat/high-fat; p<0.001). The choice frequencies for various food categories were comparable on both occasions (p=0.27). The choice frequencies for individual items were also comparable on both occasions (p=0.27). The LFPQ is easily implemented under mild sleep-restricted conditions, and translation is straightforward. Future studies using the LFPQ after sleep restriction could elucidate if restricting sleep or longer periods affects food choice, which could underlie increases in obesity risk.
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Affiliation(s)
- Cathalijn H C Leenaars
- Faculty of Psychology and Neuroscience, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands; CDL, Radboudumc, Geert Grooteplein 29, 6525 EZ Nijmegen, The Netherlands.
| | - Janneke C Zant
- Klinisch chemisch hematologisch laboratorium (KCHL) Zuyderland MC, Henri Dunantstraat 5, 6419 PC Heerlen, The Netherlands.
| | - Audrey Aussems
- Faculty of Psychology and Neuroscience, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands.
| | - Vivian Faatz
- Faculty of Psychology and Neuroscience, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands.
| | - Daphne Snackers
- Faculty of Psychology and Neuroscience, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands.
| | - Andries Kalsbeek
- Dept. of Hypothalamic Integration Mechanisms, Netherlands Institute for Neuroscience (NIN), Royal Netherlands Academy of Arts and Sciences, Meibergdreef 47, 1105BA, Amsterdam, The Netherlands; Dept. of Endocrinology and Metabolism, Academic Medical Centre (AMC), University of Amsterdam (UvA), Meibergdreef 9, 1105AZ Amsterdam, The Netherlands.
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Islam MA, Fagundo AB, Arcelus J, Agüera Z, Jiménez-Murcia S, Fernández-Real JM, Tinahones FJ, de la Torre R, Botella C, Frühbeck G, Casanueva FF, Menchón JM, Fernandez-Aranda F. Olfaction in eating disorders and abnormal eating behavior: a systematic review. Front Psychol 2015; 6:1431. [PMID: 26483708 PMCID: PMC4588114 DOI: 10.3389/fpsyg.2015.01431] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Accepted: 09/07/2015] [Indexed: 11/13/2022] Open
Abstract
The study provides a systematic review that explores the current literature on olfactory capacity in abnormal eating behavior. The objective is to present a basis for discussion on whether research in olfaction in eating disorders may offer additional insight with regard to the complex etiopathology of eating disorders (ED) and abnormal eating behaviors. Electronic databases (Medline, PsycINFO, PubMed, Science Direct, and Web of Science) were searched using the components in relation to olfaction and combining them with the components related to abnormal eating behavior. Out of 1352 articles, titles were first excluded by title (n = 64) and then by abstract and fulltext resulting in a final selection of 14 articles (820 patients and 385 control participants) for this review. The highest number of existing literature on olfaction in ED were carried out with AN patients (78.6%) followed by BN patients (35.7%) and obese individuals (14.3%). Most studies were only conducted on females. The general findings support that olfaction is altered in AN and in obesity and indicates toward there being little to no difference in olfactory capacity between BN patients and the general population. Due to the limited number of studies and heterogeneity this review stresses on the importance of more research on olfaction and abnormal eating behavior.
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Affiliation(s)
- Mohammed A Islam
- Department of Psychiatry, University Hospital of Bellvitge-IDIBELL Barcelona, Spain ; CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain
| | - Ana B Fagundo
- Department of Psychiatry, University Hospital of Bellvitge-IDIBELL Barcelona, Spain ; CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain
| | - Jon Arcelus
- Leicester Eating Disorder Service, Bennion Centre, Leicester Glenfield Hospital Leicester, UK ; Division of Psychiatry and Applied Psychology, Faculty of Medicine and Health Sciences, University of Nottingham Nottingham, UK
| | - Zaida Agüera
- Department of Psychiatry, University Hospital of Bellvitge-IDIBELL Barcelona, Spain ; CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain
| | - Susana Jiménez-Murcia
- Department of Psychiatry, University Hospital of Bellvitge-IDIBELL Barcelona, Spain ; CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain ; Department of Clinical Sciences, School of Medicine, University of Barcelona Barcelona, Spain
| | - José M Fernández-Real
- CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain ; Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomèdica de Girona (IdlBGi) Hospital Dr Josep Trueta Girona, Spain
| | - Francisco J Tinahones
- CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain ; Department of Diabetes, Endocrinology and Nutrition, Hospital Clínico Universitario Virgen de Victoria Málaga, Spain
| | - Rafael de la Torre
- CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain ; Facultat de Ciencies de la Salut i de la Vida, Universitat Pompeu Fabra (CEXS-UPF) Barcelona, Spain ; Integrative Pharmacology and Neurosciences Systems Research Group, Neuroscience Research Program, IMIM (Hospital del Mar Medical Research Institute) Barcelona, Spain
| | - Cristina Botella
- CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain ; Department of Basic Psychology, Clinic and Psychobiology, University Jaume I Castelló, Spain
| | - Gema Frühbeck
- CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain ; Department of Endocrinology and Nutrition, Clínica Universidad de Navarra, University of Navarra, IdiSNA Pamplona, Spain
| | - Felipe F Casanueva
- CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain ; Endocrine Division, Complejo Hospitalario Universitario de Santiago Santiago de Compostela, Spain
| | - José M Menchón
- Department of Psychiatry, University Hospital of Bellvitge-IDIBELL Barcelona, Spain ; Department of Clinical Sciences, School of Medicine, University of Barcelona Barcelona, Spain ; CIBER de Salud Mental (CIBERSAM) Madrid, Spain
| | - Fernando Fernandez-Aranda
- Department of Psychiatry, University Hospital of Bellvitge-IDIBELL Barcelona, Spain ; CIBER de Fisiopatologia de la Obesidad y Nutrición -ISCIII Barcelona, Spain ; Department of Clinical Sciences, School of Medicine, University of Barcelona Barcelona, Spain
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Todd AS, Street SJ, Ziviani J, Byrne NM, Hills AP. Overweight and obese adolescent girls: the importance of promoting sensible eating and activity behaviors from the start of the adolescent period. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2015; 12:2306-29. [PMID: 25690003 PMCID: PMC4344727 DOI: 10.3390/ijerph120202306] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 12/04/2014] [Accepted: 02/09/2015] [Indexed: 12/30/2022]
Abstract
The adolescent period is associated with changes in eating and activity behaviors in girls. Less reliance on parental provision and choice of food, coupled with a decrease in participation in physical activity and sport, can create an energy imbalance, predisposing to weight gain. Physiological alterations to body composition, reduction in insulin sensitivity, and psychological adjustments may further amplify the risk of becoming overweight and maintaining an unhealthy level of body fat into childbearing years. During pregnancy excess body fat is a risk factor for poor pregnancy outcomes and may predispose an infant to a lifelong heightened risk of being overweight and developing chronic disease. Interventions aimed at preventing the accumulation of body fat in adolescent girls and young women may have far reaching impact and be critically important in reducing intergenerational weight gain. Lifestyle interventions in adolescence have the potential to modify adult obesity risk by switching at-risk individuals from a high to lower obesity risk trajectory. This paper discusses multiple approaches to assist at-risk individuals reduce obesity risk. A key focus is placed on engagement in food preparation and choice, and opportunities for physical activity and sport. Support, education, and opportunity at home and at school, are often associated with the success of lifestyle interventions, and may enable adolescents to make positive choices, and engage in health promoting behaviors during adolescence and childbearing years.
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Affiliation(s)
- Alwyn S Todd
- Centre for Nutrition and Exercise, Mater Research Institute, The University of Queensland, Brisbane 4101, Australia.
- Department of Nutrition and Dietetics, Mater Health Services, Brisbane 4101, Australia.
- School of Allied Health Sciences, Griffith University, Gold Coast 4215, Australia.
| | - Steven J Street
- Centre for Nutrition and Exercise, Mater Research Institute, The University of Queensland, Brisbane 4101, Australia.
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast 4226, Australia.
| | - Jenny Ziviani
- Children's Health Queensland, Queensland Health, Brisbane 4000, Australia.
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane 4067, Australia.
| | - Nuala M Byrne
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast 4226, Australia.
- Bond Institute of Health and Sport, Bond University, Gold Coast 4226, Australia.
| | - Andrew P Hills
- Centre for Nutrition and Exercise, Mater Research Institute, The University of Queensland, Brisbane 4101, Australia.
- School of Allied Health Sciences, Griffith University, Gold Coast 4215, Australia.
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Olfactory processing and odor specificity: a meta-analysis of menstrual cycle variation in olfactory sensitivity. ANTHROPOLOGICAL REVIEW 2014. [DOI: 10.2478/anre-2014-0024] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Cycle-correlated variation in olfactory threshold, with women becoming more sensitive to odors mid-cycle, is somewhat supported by the literature but the evidence is not entirely consistent, with several studies finding no, or mixed, effects. It has been argued that cyclic shifts in olfactory threshold might be limited to odors relevant to the mating context.
We aimed to test whether the evidence currently available points in the direction of odor-specific or, rather, general changes in olfactory sensitivity and, if the former is the case, to what group of odorants in particular. We carried out a meta-analysis of relevant studies which together used a variety of different odorants, including some found in food, body odor, and some that occur in neither of these. First we tested whether there appears to be an overall effect when all studies are included. Next, we hypothesised that if cyclic changes in olfactory processing are odor-specific and tuned to biologically relevant odors, we should find changes in detection thresholds only for odorants found in body odor, or for those that are perceptually similar to it. In contrast, if threshold patterns are linked to more general fluctuations in odor processing across the cycle, we would not expect changes in relation to any particular odorant group.
The results support the view that there is significant cycle-correlated variation. Thresholds were in general significantly lower in the fertile than the non-fertile phases, with effect sizes consistently in this direction. This same conclusion applied to both ‘food’ and ‘musky’ odorants, despite their different evolutionary significance, and to the androgen steroids (androstadienone, androstenone, and androsterone), but could not be applied to phenyl-ethyl alcohol.
The results indicate that olfactory sensitivity may be a non-adaptive by-product of the general physiological fluctuations or differences in neural processing experienced across the cycle to a broad spectrum of odorants, rather than being specifically selected for mate choice-related odors.
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Cameron JD, Goldfield GS, Finlayson G, Blundell JE, Doucet É. Fasting for 24 hours heightens reward from food and food-related cues. PLoS One 2014; 9:e85970. [PMID: 24454949 PMCID: PMC3894194 DOI: 10.1371/journal.pone.0085970] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Accepted: 12/08/2013] [Indexed: 11/28/2022] Open
Abstract
Introduction We examined the impact of a 24 hour complete fast (vs. fed state) on two measures of food reward: 1) ‘wanting’, as measured by response to food images and by the relative-reinforcing value of food (RRV), and 2) ‘liking’, as measured by response to food images and the hedonic evaluation of foods consumed. Methods Utilizing a randomized crossover design, 15 subjects (9 male; 6 female) aged 28.6±4.5 yrs with body mass index 25.3±1.4 kg/m2 were randomized and counterbalanced to normal feeding (FED) and 24-hour fast (FASTED) conditions. Trait characteristics were measured with the Three Factor Eating Questionnaire. Two computer tasks measured food reward: 1) RRV progressive ratio task, 2) explicit ‘liking’ and ‘wanting’ (Leeds Food Preference Questionnaire, LFPQ). Also measured were ad libitum energy intake (EI; buffet) and food ‘liking’ (visual analogue scale) of personalized stimuli. Results There were no significant anthropometric changes between conditions. Appetite scores, hedonic ratings of ‘liking’, and ad libitum EI all significantly increased under the FASTED condition (p<0.05). Under the FASTED condition there were significant increases in the RRV of snack foods; similarly, explicit ‘wanting’ and ‘liking’ significantly increased for all food categories. ‘Liking’ of sweet foods remained high across-meals under FASTED, but savory foods decreased in hedonic saliency. Conclusion Relative to a fed state, we observed an increase in hedonic ratings of food, the rewarding value of food, and food intake after a 24 hr fast. Alliesthesia to food and food cues is suggested by heightened hedonic ratings under the FASTED condition relative to FED.
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Affiliation(s)
- Jameason D. Cameron
- Children's Hospital of Eastern Research Institute Ottawa, Ottawa, Ontario, Canada
- * E-mail:
| | - Gary S. Goldfield
- School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada
- Children's Hospital of Eastern Research Institute Ottawa, Ottawa, Ontario, Canada
| | | | | | - Éric Doucet
- School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada
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Hopkins M, Gibbons C, Caudwell P, Webb DL, Hellström PM, Näslund E, Blundell JE, Finlayson G. Fasting Leptin Is a Metabolic Determinant of Food Reward in Overweight and Obese Individuals during Chronic Aerobic Exercise Training. Int J Endocrinol 2014; 2014:323728. [PMID: 24734042 PMCID: PMC3966321 DOI: 10.1155/2014/323728] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Revised: 01/15/2014] [Accepted: 01/18/2014] [Indexed: 01/28/2023] Open
Abstract
Changes in food reward have been implicated in exercise-induced compensatory eating behaviour. However, the underlying mechanisms of food reward, and the physiological correlates of exercise-induced changes in food reward, are unknown. Methods. Forty-six overweight and obese individuals completed 12 weeks of aerobic exercise. Body composition, food intake, and fasting metabolic-related hormones were measured at baseline, week six, and postintervention. On separate days, the reward value of high-and-low-fat food (explicit liking and implicit wanting) was also assessed at baseline, week six, and postintervention. Results. Following the intervention, FM, FFM, and VO2peak improved significantly, while fasting leptin decreased. However, food intake or reward did not change significantly. Cross-sectional analyses indicated that FM (P = 0.022) and FFM (P = 0.046) were associated with explicit liking for high-fat food, but implicit wanting was associated with FM only (P = 0.005). Fasting leptin was associated with liking (P = 0.023) and wanting (P = 0.021) for high-fat food. Furthermore, a greater exercise-induced decline in fasting leptin was associated with increased liking (P = 0.018). Conclusion. These data indicate that food reward has a number of physiological correlates. In particular, fasting leptin appears to play an active role in mediating food reward during exercise-induced weight loss.
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Affiliation(s)
- Mark Hopkins
- Academy of Sport and Physical Activity, Faculty of Health and Wellbeing, Sheffield Hallam University, Sheffield S10 2BP, UK
- Institute of Psychological Sciences, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK
- *Mark Hopkins:
| | - Catherine Gibbons
- Institute of Psychological Sciences, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK
| | - Phillipa Caudwell
- Institute of Psychological Sciences, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK
| | - Dominic-Luc Webb
- Department of Medical Sciences, Gastroenterology and Hepatology, Uppsala University, Uppsala, Sweden
| | - Per M. Hellström
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Erik Näslund
- Division of Surgery, Department of Clinical Sciences, Danderyd Hospital, Karolinska Institute, Stockholm, Sweden
| | - John E. Blundell
- Institute of Psychological Sciences, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK
| | - Graham Finlayson
- Institute of Psychological Sciences, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK
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