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OBJECTIVE: Food insecurity (FI) is a critical social determinant of poor psychosocial health. While data on the specific roles of sex and age in the FI-loneliness link among older adults are limited, the underlying mechanisms are largely unknown. This study examines the age-sex-specific associations of FI with loneliness among older adults in Ghana and quantifies the extent to which psychosomatic factors mediate the association. METHODS: We analyzed cross-sectional data from the Aging, Health, Psychological, and Health-seeking Behavior Study in Ghana. The past 30-day FI was assessed using items on hunger and breakfast skipping frequency due to a lack of resources. We assessed loneliness severity with the University of California, Los Angeles 3-item Loneliness Scale. Multivariable OLS regressions and bootstrapping mediation analysis using the Hayes PROCESS macro plug-in were used to evaluate the associations. RESULTS: We included 1,201 individuals aged ≥50 years (mean = 62.9 [SD = 11.9]; women = 63.3%). The prevalence of loneliness was 17.7%. The prevalence of moderate and severe FI was 44.0% and 8.5%, respectively. In the adjusted model, greater FI was significantly associated with loneliness severity (B = .22, SE = .029, p < .001). We found significant interactive effects of FI × age (B = -.17, SE = .023, p < .01) and FI × sex (B = -.28, SE = .036, p < .001) on loneliness. Thus, the FI-loneliness link was respectively more marked among women (B = .25, SE = .035, p < .001) and ≥65 age groups (B = .34, SE = .041, p < .001) than men (B = .16, SE = .051, p < .01) and those aged 50-64 (B = .22; SE = .040, p < .001). Finally, comorbid depression/anxiety (41.07%), hopelessness (48.6%), worthlessness (42.1%), functional limitations (8.2%), and pain severity (6.4%) mediated the FI-loneliness association. CONCLUSIONS: Age- and sex-specific associations between FI and loneliness exist among older Ghanaians. Addressing FI in concert with psychosomatic problems in older adults may contribute meaningfully to reducing loneliness in later life.
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The aim of this study was to investigate the effect of 6-weeks resistance training (RT) on appetite, energy intake and body composition in young women with and without obesity, and to examine the relationship between these variables. Thirty-five young women were divided according to the amount of body fat [with obesity (n=16) and without obesity (n=19)]. Appetite was assessed through self-reported hunger, fullness, desire to eat, satiety quotient, food frequency diary and motivations to eat palatable food (power of food scale) in both fasted and fed states (after a standardized breakfast). Energy intake and body composition were evaluated at pre- and post-6 weeks of RT. Results showed that self-reported hunger increased significantly in both fasted and fed states (p=0.007 and p=0.029, respectively), while self-reported fullness decreased at the fasted state (p=0.030) in both groups. There were no significant effects for desire to eat fatty, sweet, savory and salty foods, motivation to eat palatable foods, or for total energy intake. Food frequency analysis indicated a decrease in consumption of soup and past (p=0.045), vegetables and eggs (p=0.034), and leafy vegetables (p=0.022) in both groups. Fat-free mass increased significantly in both groups (p=0.011 and p=0.003), while fat mass did not show significant changes. There were no correlations between changes in appetite/energy intake and changes in body composition. In conclusion, following the 6-week RT program, both women with and without obesity exhibited increased self-reported hunger alongside decreased fullness, suggesting an increase in orexigenic drive. However, neither group showed an increase in energy intake and fat mass, while both groups experienced an increase in fat-free mass. Registered under Brazilian Registry of Clinical Trials n°. RBR-1024f4qs.
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The rewarding taste of food is critical for motivating animals to eat, but whether taste has a parallel function in promoting meal termination is not well understood. Here, we show that hunger-promoting agouti-related peptide (AgRP) neurons are rapidly inhibited during each bout of ingestion by a signal linked to the taste of food. Blocking these transient dips in activity via closed-loop optogenetic stimulation increases food intake by selectively delaying the onset of satiety. We show that upstream leptin-receptor-expressing neurons in the dorsomedial hypothalamus (DMHLepR) are tuned to respond to sweet or fatty tastes and exhibit time-locked activation during feeding that is the mirror image of downstream AgRP cells. These findings reveal an unexpected role for taste in the negative feedback control of ingestion. They also reveal a mechanism by which AgRP neurons, which are the primary cells that drive hunger, are able to influence the moment-by-moment dynamics of food consumption.
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Introduction: Individuals living or working at high altitudes typically experience altered taste perceptions and reduced appetite. These changes can lead to nutritional deficiencies, affecting the energy balance and body composition. Methods: We conducted a nonsystematic review of PubMed to explore these phenomena and expound on their findings to offer additional insights. Results: Changes in taste and perception are common and typically lead to loss of mass. There are limited practical solutions to mitigate these challenges. Discussion: Gradual acclimatization and tailored nutritional strategies are required to enhance health and performance in high-altitude environments. This review provides critical insights into the intersection of altitude, nutrition, and health.
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Extreme weather events, rising temperatures, and shifting rainfall patterns pose significant threats to developing countries with fragile social, economic, and political structures. While research has intensified on socioeconomic impacts of climate change, existing survey studies exhibit substantial scope variations and seldom concurrently analyze these impacts, hindering policy coordination. This study reviews literature on the broad spectrum of socioeconomic impacts of climate change to discern trends and underscore areas requiring additional attention. The survey unveils that, across various socioeconomic indicators, the most vulnerable groups bear a disproportionate burden of climate change, with long-term impacts forecasted to surpass medium-term effects. Adaptation and mitigation options are feasible but must be tailored to local contexts.
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Sensory cues like music can influence our behaviour towards food. In the present study, the effect of music on hunger, fullness, desire to eat and liking of foods, while viewing real lunch food items, was investigated. To this end, emotions and physiological measures were obtained to understand the changes in hunger, fullness, desire to eat and liking. The study aimed to examine changes in hunger, fullness, desire to eat, and liking when viewing a lunch meal under silent and varying music conditions. Additionally, the study explored the potential role of emotions to explain these changes. A crossover experimental design was employed using 50 participants (17 males and 33 females) who observed lunch food items during a silent condition (control), or while listening to either liked or disliked music. The findings demonstrate the cross-modal influence of music on hunger and food liking ratings when viewing food. Hunger ratings were higher and more negative emotions were evoked while viewing lunch food items and listening to disliked music. In contrast, in the silent and liked music conditions, which elicited more positive emotions, there were increased ratings of healthy and unhealthy food pleasantness, overall food liking, and food satisfaction. Electrophysiological measures of heart rate (HR) and skin conductance (SC) were obtained while listening to music and viewing a lunch meal. Viewing food items while listening to disliked music evoked negative emotions and significantly increased SC compared to liked music or silent conditions. Viewing the food items under the silent condition evoked positive emotions and significantly increased HR compared to listening to liked and disliked music. This study showed that the participants' emotions, hunger level, liking, and electrophysiological responses when viewing food are influenced by music that varied with liking. Results from this study may assist in enhancing dining experiences, as well as influencing food choices and satisfaction with meals.
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Emoções , Preferências Alimentares , Fome , Almoço , Música , Humanos , Feminino , Masculino , Música/psicologia , Fome/fisiologia , Adulto Jovem , Preferências Alimentares/psicologia , Preferências Alimentares/fisiologia , Adulto , Estudos Cross-Over , Frequência Cardíaca/fisiologia , PsicofisiologiaRESUMO
Abiotic stresses, especially drought stress and salt stress in crop plants are accelerating due to climate change. The combined impact of drought and salt is anticipated to lead to the loss of up to 50% of arable land globally, resulting in diminished growth and substantial yield losses threatening food security. Addressing the challenges, agriculture through sustainable practices emerges as a potential solution to achieve Zero Hunger, one of the sustainable development goals set by the IUCN. Plants deploy a myriad of mechanisms to effectively address drought and salt stress with phytohormones playing pivotal roles as crucial signaling molecules for stress tolerance. The phytohormone auxin, particularly indole acetic acid (IAA) emerges as a paramount regulator integral to numerous aspects of plant growth and development. During both drought and salt stress conditions, auxin plays crucial roles for tolerance, but stress-induced processes lead to decreased levels of endogenous free auxin in the plant, leading to an urgent need for auxin production. With an aim to augment this auxin deficiency, several researchers have extensively investigated auxin production, particularly IAA by plant-associated microorganisms, including endophytic bacteria. These endophytic bacteria have been introduced into various crop plants subjected to drought or salt stress and potential isolates promoting plant growth have been identified. However, post-identification, essential studies on translational research to advance these potential isolates from the laboratory to the field are lacking. This review aims to offer an overview of stress tolerant auxin-producing endophytic bacterial isolates while identifying research gaps that need to be fulfilled to utilize this knowledge for the formulation of crop-specific and stress-specific endophyte bioinoculants for the plant to cope with auxin imbalance occurring during these stress conditions.
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OBJECTIVE: Morbid hunger and hyperphagia (MHH) is a rare neurological disorder that can manifest following damage to the right frontal and temporal lobes. It can lead to detrimental short and long-term complications such as electrolyte imbalances, obesity, and cardiovascular diseases. This report details the case of a young male patient who developed MHH five months post-traumatic brain injury. METHOD: Single-case report. The patient exhibited colossal appetite, overeating, food-demanding behavior, and rapid weight gain. The prescription of quetiapine to manage his visual and auditory hallucinations was suspected of exacerbating the hyperphagia. A comprehensive, multidisciplinary rehabilitation approach was implemented, encompassing a meticulous dietary regime, environmental modifications, behavioral management, physical activities, therapeutic exercises, and pharmacological interventions, which included switching the anti-psychotics and introducing low-dose escitalopram. RESULTS: Over the course of 6 months, the MHH gradually subsided, and the patient achieved the target bodyweight. The Glasgow Outcome Scale-Extended improved from 3 to 5. CONCLUSION: This is the first report on the use of escitalopram to manage secondary eating disorders. Our findings underscore the necessity to formally catalog and recognize disorders like MHH in diagnostic classifications to facilitate the systematic study of their pathophysiology, natural history, prognosis, and management strategies.
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We examined associations between adolescent self-reported hunger, health risk behaviors, and adverse experiences during the 2018-2019 school year. Youth Risk Behavior Survey data were pooled from 10 states. Prevalence ratios were calculated, and we assessed effect measure modification by sex. The prevalence of self-reported hunger was 13%. Self-reported hunger was associated with a higher prevalence of every health risk behavior/adverse experience analyzed, even after adjusting for sex, grade, and race/ethnicity. Sex did not modify associations. Findings underscore needs for longitudinal research with more robust measures of adolescent food insecurity to clarify the temporality of relationships.
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People can use their internal state to determine if they are hungry or thirsty. Although the meaning of some interoceptive cues may be innate (e.g., pain), it is possible that others-including those for hunger and thirst-are acquired. There has been little exploration of this idea in humans. Consequently, we conducted a survey among child caregivers to determine if the basic conditions necessary for interoceptive learning were present. Two-hundred and thirty-five caregivers of children aged 1-12 years were asked if they had recently noticed stomach rumbling, hunger-related irritability, and a dry mouth in their child. They were also asked how they would respond. The impact of several moderating variables, especially caregiver beliefs about the causes of hunger, fullness, and thirst, was also explored. Fifteen percent of caregivers had recently noticed stomach rumbling in their child, 28% hunger-related irritability, and 14% a dry mouth. Forty-four percent of caregivers had noticed at least one of these three cues. Noticing hunger cues was significantly moderated by caregiver beliefs about their cause, by child age, and in one case by temporal context (around vs. outside mealtimes). Key caregiver responses were providing the need (e.g., offer food) and/or asking the child if they had a need (e.g., hungry?). Each type of response could potentially support a different form of interoceptive learning. In conclusion, we suggest the necessary conditions for children to learn interoceptive hunger and thirst cues, are present in many caregiver-offspring dyads.
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Cuidadores , Sinais (Psicologia) , Fome , Interocepção , Sede , Humanos , Fome/fisiologia , Sede/fisiologia , Pré-Escolar , Feminino , Interocepção/fisiologia , Masculino , Criança , Lactente , Adulto , Cuidadores/psicologia , Atenção/fisiologia , Pessoa de Meia-IdadeRESUMO
This study aimed to compare the change in consumer behaviour in the face of high inflation with respect to food security in the Turkish population by developing a 3-factor The Impact of Food Inflation on Consumer Behaviour (IFI-ConB) scale. Item generation and expert evaluation, item purification by preliminary application, and final administration were conducted. The moderate to severe food insecure individuals exhibited a higher inflation impact score on food consumption patterns, food shopping behaviours, and food purchasing motives factors compared to secure to mild insecure individuals. A positive correlation was found between the inflation impact score by IFI-ConB and the price motive for food choice. The primary food choice motive was health among the secure to mild insecure individuals, while for the moderate to severe food insecure individuals, it was price. The findings indicate that food insecure individuals are more affected by high food inflation compared to food secure individuals.
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Comportamento do Consumidor , Segurança Alimentar , Humanos , Turquia , Feminino , Masculino , Adulto , Preferências Alimentares , Adulto Jovem , Inquéritos e Questionários , Abastecimento de Alimentos , Pessoa de Meia-Idade , Comportamento de Escolha , Insegurança Alimentar , Motivação , Comportamento AlimentarRESUMO
INTRODUCTION: Previously, an intervention involving volitional slow breathing reduced trait food craving with protective effects on cardiac vagal activity (CVA). Breathing with a low inspiration-to-expiration (i/e) ratio also increases CVA. High CVA was separately associated with low unregulated eating and lesser impulsivity. Hence, the present study assessed breathing with a low i/e for effects on state food craving, hunger and satiety, state impulsivity, and heart rate variability (HRV) in healthy obese persons. METHODS: Forty obese persons were randomized to two groups. The intervention group (mean age ± SD, 41.15 ± 12.63, M:F, 10:10) practiced metronome-regulated breathing with low i/e at 12 breaths per minute (expiration 72% of total breath duration) and attained expiration 55.8% of total breath duration, while the active control group (mean age ± SD, 44.45 ± 11.06, M:F, 13:07) sat motionless and directed their gaze and awareness to the stationary metronome without modifying their breath consciously. The HRV was recorded before, during, and after breathing intervention (or control) (standard limb lead I, acquisition at 2,000 Hz, with an LF filter = 0.5 Hz and HF filter = 50 Hz). Time-domain and frequency-domain HRV parameters were obtained with Kubios software. State food craving, and hunger and satiety were recorded before and after the intervention/control. RESULTS: The intervention group decreased total state food craving scores and the sub-domains (i.e., desire to eat, positive reinforcement, lack of control and hunger), increased current satisfaction with food, decreased total state impulsivity (repeated measures ANOVA, p < 0.05 in all cases), increased HF-HRV and RMSSD (linear mixed model analyses with age and gender as fixed factors; p < 0.05 in all cases) during the intervention compared to the preceding baseline. The intervention group also showed an increase in positive mood and a decrease in aroused and negative mood states. CONCLUSION: Changes in state food craving and impulsivity could be related to an increase in HRV or to changes in subjective relaxation and positive mood or to both.
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Fissura , Frequência Cardíaca , Comportamento Impulsivo , Humanos , Feminino , Adulto , Fissura/fisiologia , Masculino , Pessoa de Meia-Idade , Frequência Cardíaca/fisiologia , Fome/fisiologia , Obesidade/terapia , Respiração , Exercícios Respiratórios , Saciação/fisiologia , Expiração/fisiologiaRESUMO
RESUMO O retorno e o agravamento da fome na pandemia de covid-19 foram importantes retrocessos vividos pela população brasileira nos últimos anos, fruto de uma gestão governamental pautada na necropolítica, que se recusou a olhar e produzir políticas públicas destinadas às populações em situação de vulnerabilidades. O ato de comer, em si, é um produtor de saúde (física-mental), que foi negado a grande parte da população durante a pandemia. A presente pesquisa, produzida a partir da metodologia cartográfica, teve por objetivo investigar os arranjos de cuidado em saúde mental produzidos nos territórios, em comunidade, no bairro de Heliópolis, periferia da capital paulista. Entre os principais achados, destacam-se arranjos para ampliar a oferta de alimentos, resgate da importância política dos indivíduos residentes do território, marchas denunciando a situação da fome na periferia, bem como partilhas afetivas de histórias mediadas pela partilha da comida. Tais ações demonstram a importância do ato de comer como promotor de saúde (física-mental) e ressaltam a relevância das relações produzidas e mediadas pela comida. A luta pela alimentação e seu compartilhamento, em um cenário de desmonte político e retorno da fome no País, apresentou-se como uma forma de resistência e de enfrentamento coletivo à necropolítica.
ABSTRACT The return and worsening of hunger during the COVID-19 pandemic were important setbacks experienced by the Brazilian population in recent years, as a result of a necropolitics form of government, which refused to look at and offer public policies aimed at vulnerable populations. The act of eating, in itself, is a promoter of (physical and mental) health, which has been denied to a large part of the population during the pandemic. This research, based on cartography method, aimed to investigate arrangements of mental health produced in the communities, in Heliópolis, a favela in São Paulo. Among the main findings, we highlight arrangements to expand the food supply, rescue the political importance of individuals residing in the territory, marches denouncing the situation of hunger in the favelas, as well as affective sharing of stories mediated by the sharing of food. These actions show the importance of the act of eating as a promoter of (physical and mental) health and highlight the importance of the relationships produced and mediated by food. The fight for food and its sharing, in a scenario of political dismantling and return of hunger in the country, presented itself as a form of resistance and collective confrontation to necropolitics.
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This study examined the relationship between the frequency of consuming cold or hot meal/drink during summer and the nutritional status, appetite, and energy intake among Japanese older people. The cross-sectional study was conducted in August 2021, targeting 60 adults aged 65 y and older. The Mini Nutritional Assessment (MNA) was used for nutritional status evaluation, the Simplified Nutritional Appetite Questionnaire (SNAQ) for appetite scoring, and food frequency questionnaire to assess energy intake. Participants reported on the frequency of consuming cold or hot meal/drink during the summer. Those who reported consuming hot meals "moderate" (p=0.033) or "frequent" (p=0.005) during summer had a higher BMI than those who reported minimal consumption. Participants who reported "frequent" consumption of hot meals in summer had higher MNA scores than those who reported "minimal" consumption (p=0.014). Participants who reported a "frequent" consumption of hot meals had higher SNAQ scores compared to those who reported "minimal" (p<0.001) or "moderate" (p=0.001). Similarly, participants who reported a "frequent" consumption of hot drinks had higher SNAQ scores than those reporting "minimal" (p=0.021) or "moderate" (p=0.008). The nutritional status and appetite during summer in Japanese older people were associated with the frequency of consuming hot meals and drinks.
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Apetite , Ingestão de Energia , Refeições , Estado Nutricional , Estações do Ano , Humanos , Idoso , Masculino , Feminino , Japão , Estudos Transversais , Idoso de 80 Anos ou mais , Avaliação Nutricional , Temperatura Alta , Inquéritos e Questionários , Índice de Massa Corporal , Comportamento Alimentar , Dieta , População do Leste AsiáticoRESUMO
The effects of exogenous ketones on appetite and food intake remain elusive, especially for people with type 2 diabetes (T2D). This study aimed to determine whether acute ingestion of an oral ketone monoester supplement (KME) affected appetite sensations, prospective food consumption and intake in T2D. Results showed that acute KME ingestion did not significantly alter appetite scores. However, there was a tendency for lower energy intake during an ad libitum meal 3 h following ketone ingestion compared to non-energetic placebo. Further research is warranted to understand the long-term effects of exogenous ketones for energy and macronutrient intake in T2D.
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Consumption of foods with high glycaemic index (GI) can cause hyperglycemia, thus increasing postprandial hunger. Since circadian rhythm differs inter-individually, we describe glucose dips after breakfast/dinner with high/medium estimated meal GI among students with early (n = 22) and late chronotype (n = 23) and examine their relation to the feeling of hunger in a secondary analysis of a randomized cross-over nutrition trial. Glucose dips reflect the difference between the lowest glucose value recorded 2-3 h postprandially and baseline, presented as percentage of average baseline level. Associations between glucose dips and the feeling of hunger were analyzed using multilevel linear models. Glucose dips were lower after medium GI meals than after high GI meals among both chronotype groups (p = 0.03). Among early chronotypes, but not among late chronotypes, glucose dip values were lower after breakfast than after dinner (-4.9 % vs. 5.5 %, p = 0.001). Hunger increased throughout the day among both chronotypes but glucose dips were not related to the feeling of hunger at the meal following breakfast. Interestingly, lower glucose dip values 2-3 h postprandially occurred particularly after medium GI meals and were seen after breakfast among early chronotypes. These glucose dips did not predict hunger at meals after breakfast.
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Glicemia , Ritmo Circadiano , Estudos Cross-Over , Índice Glicêmico , Fome , Refeições , Período Pós-Prandial , Estudantes , Humanos , Feminino , Masculino , Glicemia/metabolismo , Ritmo Circadiano/fisiologia , Adulto Jovem , Estudantes/psicologia , Adulto , Desjejum , Dieta , Adolescente , Hiperglicemia/prevenção & controle , CronotipoRESUMO
Limited evidence is available about the variability of appetitive responses within individuals after an acute bout of exercise. The present study aimed to assess the consistency and individual variability of post-exercise appetitive responses in healthy individuals. Twenty participants (10 females, 23.9 ± 4.1 years, 22.5 ± 2.0 kg m-2) joined the laboratory to perform four sessions separated by a minimum of 5 days: i) a control session with a rest period before and an ad libitum lunch (REST), and ii) three identical exercise sessions (EX) with a 30-min moderate-intensity (60-70% of predicted maximal heart rate) walking bout ending 25 min before the ad libitum lunch. Subjective appetite sensations were assessed before and after the meal at regular intervals, and satiety quotients were calculated. Food reward was assessed by the Leeds Food Preference Questionnaire before and after lunch. For each EX session, the difference with the REST session was calculated (Δ = EX - REST). Energy and macronutrient intake were consistent in response to exercise (all intraclass correlation coefficients (ICC) > 0.8) while results showed that post-exercise subjective appetite sensations and satiety quotients varied across the three EX sessions (almost all ICC < 0.7). Food reward was overall consistent in response to exercise before the test meal but not after. When considering the changes (Δ), the results showed no or poor consistency for most of the appetitive outcomes. To conclude, energy and macronutrient intake, as well as pre-meal food reward, are consistent after exercise in healthy individuals, while subjective appetite sensations are not stable within individuals across the sessions. Regarding the variations from REST to EX sessions, the results suggest that the individual changes observed are only random day-to-day variations.
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Apetite , Ingestão de Energia , Exercício Físico , Preferências Alimentares , Recompensa , Humanos , Feminino , Masculino , Apetite/fisiologia , Adulto , Exercício Físico/fisiologia , Exercício Físico/psicologia , Adulto Jovem , Ingestão de Energia/fisiologia , Preferências Alimentares/psicologia , Preferências Alimentares/fisiologia , Saciação/fisiologia , Nutrientes , Inquéritos e QuestionáriosRESUMO
This chapter (part one of a trilogy) summarizes the neurobiological foundations of endogenous opioids in the regulation of energy balance and eating behavior, dysregulation of which translates to maladaptive dietary responses in individuals with obesity and eating disorders, including anorexia, bulimia, and binge eating disorder. Knowledge of these neurobiological foundations is vital to researchers' and clinicians' understanding of pathophysiology as well as the science-based development of multidisciplinary diagnoses and treatments for obesity and eating disorders. We highlight mechanisms of endogenous opioids in both homeostatic and hedonic feeding behavior, review research on the dysregulation of food reward that plays a role in a wide array of obesity and disordered eating, and the clinical implications of neurobiological responses to food for current science-based treatments for obesity and eating disorders.
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Comportamento Alimentar , Homeostase , Fome , Obesidade , Peptídeos Opioides , Humanos , Homeostase/fisiologia , Fome/fisiologia , Peptídeos Opioides/metabolismo , Obesidade/metabolismo , Obesidade/fisiopatologia , Comportamento Alimentar/fisiologia , Transtornos da Alimentação e da Ingestão de Alimentos/metabolismo , Transtornos da Alimentação e da Ingestão de Alimentos/fisiopatologia , Saciação/fisiologia , Recompensa , Metabolismo Energético/fisiologia , Ingestão de Alimentos/fisiologia , AnimaisRESUMO
Cassava (Manihot esculenta) is among the most important staple crops globally, with an imperative role in supporting the Sustainable Development Goal of 'Zero hunger'. In sub-Saharan Africa, it is cultivated mainly by millions of subsistence farmers who depend directly on it for their socio-economic welfare. However, its yield in some regions has been threatened by several diseases, especially the cassava brown streak disease (CBSD). Changes in climatic conditions enhance the risk of the disease spreading to other planting regions. Here, we characterise the current and future distribution of cassava, CBSD and whitefly Bemisia tabaci species complex in Africa, using an ensemble of four species distribution models (SDMs): boosted regression trees, maximum entropy, generalised additive model, and multivariate adaptive regression splines, together with 28 environmental covariates. We collected 1,422 and 1,169 occurrence records for cassava and Bemisia tabaci species complex from the Global Biodiversity Information Facility and 750 CBSD occurrence records from published literature and systematic surveys in East Africa. Our results identified isothermality as having the highest contribution to the current distribution of cassava, while elevation was the top predictor of the current distribution of Bemisia tabaci species complex. Cassava harvested area and precipitation of the driest month contributed the most to explain the current distribution of CBSD outbreaks. The geographic distributions of these target species are also expected to shift under climate projection scenarios for two mid-century periods (2041-2060 and 2061-2080). Our results indicate that major cassava producers, like Cameron, Ivory Coast, Ghana, and Nigeria, are at greater risk of invasion of CBSD. These results highlight the need for firmer agricultural management and climate-change mitigation actions in Africa to combat new outbreaks and to contain the spread of CBSD.