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The impact of air pollution to obesity.
Simkova, S, Veleminsky, M, Sram, RJ
Neuro endocrinology letters. 2020;(3):146-153
Abstract
BACKGROUD Air pollution in ambient air could affect the increase of obesity in children. METHOD Review analyze papers about the effect of polycyclic aromatic hydrocarbons (PAHs), fine particles (particulate matter < 2.5 μm, PM2.5), and traffic air pollution (NO2, NOx, PM2.5). RESULTS Prenatal exposure to concentrations 1.73-3.07 ng/m3 PAHs significantly increased obesity at age 5 and 7 years, up to 11 years. All studies indicate the significance of prenatal exposure with concentration > 0.3 ng/m3 of B[a]P (benzo[a]pyrene). Prenatal exposure to PM2.5 above concentrations 10.6-11.9 μg/m3 increased obesity in children up to the age of 9 years. Traffic air pollution was evaluated according to exposure to NO2 and PM2.5. Concentrations NO2 higher 30 μg/m3 affect adiponectin levels in cord blood, cholesterol metabolism, and therefore increase later the risk of overweight or obesity. PM2.5 9.2-11.6 μg/m3 during pregnancy affect adiponectin. These concentrations from the traffic air pollution can affect the metabolism in newborns later related to obesity. CONCLUSION All these studies indicate that contemporary concentrations of PAHs, PM2.5 and NO2 in ambient air, especially during prenatal period, affect overweight and obesity in children.
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2.
Treatment of Metabolic Syndrome in Children.
Tagi, VM, Samvelyan, S, Chiarelli, F
Hormone research in paediatrics. 2020;(4):215-225
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Although metabolic syndrome (MetS) in children and adolescents is a frequently discussed topic in the literature, uniform guidelines on its definition and treatment are still lacking. Insulin resistance, central obesity, dyslipidaemia, and hypertension are commonly considered the main components of MetS. The first recommended approach to all these pathological conditions in children and adolescents is lifestyle intervention (diet and physical exercise); however, in some selected cases, a pharmacological or surgical treatment might prove useful for the prevention of metabolic and cardiovascular complications. The aim of this review is to present the more recent evidence about the treatment of the major components of MetS in children and adolescents, focussing on the current recommendations concerning lifestyle changes, available drugs, and bariatric surgery.
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Fathers' food parenting: A scoping review of the literature from 1990 to 2019.
Davison, KK, Haines, J, Garcia, EA, Douglas, S, McBride, B
Pediatric obesity. 2020;(10):e12654
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BACKGROUND While food parenting is a robust area of inquiry, studies have largely focused on mothers. Given the diversity of family structures today and increases in fathers' engagement in caregiving, fathers' food parenting warrants attention. OBJECTIVE We present a scoping review of research on fathers' food parenting (1990-2019). Eligible studies included peer-reviewed research published in English documenting fathers' food parenting and presenting results for fathers separate from mothers. RESULTS Seventy-seven eligible studies were identified. Most studies were based in the U.S (63.6%) and utilized a cross-sectional design (93.5%). Approximately half of studies used a validated measure of food parenting (54.5%) and slightly less than 30% utilized theory (28.6%). Many studies did not report information on fathers' residential status (37.7%) or their relationship to the target child (biological vs social) (63.6%). Content analysis of study findings showed that: fathers are involved in food parenting, but at lower levels than mothers; there are few consistent mother-father differences in food parenting practices; and fathers' controlling food parenting is linked with negative nutrition outcomes in children while responsive food parenting is linked with positive child outcomes. CONCLUSION To better inform family interventions to prevent childhood obesity, future food parenting research with fathers should recognize the diversity of family structures and utilize prospective, theory-based, designs.
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Management of obesity in adolescents with polycystic ovary syndrome.
Vatopoulou, A, Tziomalos, K
Expert opinion on pharmacotherapy. 2020;(2):207-211
Abstract
Introduction: Approximately 1% of adolescents have polycystic ovary syndrome (PCOS) and almost 40-70% of these patients are overweight or obese. Obese adolescents with PCOS have more severe insulin resistance and hyperandrogenemia, a more adverse lipid profile and a worse quality of life than normal-weight adolescents with PCOS. Accordingly, weight loss is an important component of the management of these patients.Areas covered: The authors discuss the different options for weight loss in obese adolescents with PCOS. Lifestyle changes appear to be effective but adherence to this intervention is suboptimal. There are also limited data regarding the optimal diet in this population. Few small studies have evaluated the effects of pharmacotherapy in these patients. Conflicting data have been reported regarding the effects of metformin on body weight. Notably, agents that have been approved for weight loss in adults have not been evaluated in adolescents with PCOS.Expert opinion: More studies are needed to identify the most appropriate diet for obese adolescents with PCOS. Well-designed randomized controlled studies are also needed to define the safety and efficacy of pharmacotherapy in this population.
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Adverse labour market impacts of childhood and adolescence overweight and obesity in Western societies-A literature review.
Reiband, HK, Heitmann, BL, Sørensen, TIA
Obesity reviews : an official journal of the International Association for the Study of Obesity. 2020;(8):e13026
Abstract
Overweight and obesity among children and adolescents are major health issues of today with both somatic and psychosocial consequences in childhood, adolescence and adulthood and potentially adverse effects for adult social life. We conducted a narrative review of the literature about the association of overweight and obesity in childhood and adolescence with possible adverse impact on labour market in adulthood. By PubMed and Google Scholar searches, we identified 12 original, prospective studies from Western countries and extracted data from these studies. We discuss the possible explanations of the associations and the conceptual and methodological challenges in these studies. Despite inherent difficulties in interpreting results, partly due to differences in outcome definitions, ages at exposure, measurements of overweight and obesity, confounder control and societal differences, the studies indicate adverse labour market impacts on adult wage and employment. Furthermore, penalties seemed present even if the excessive weight was lost before adulthood, and women seemed more affected than men, especially when weight persisted into adulthood. While both health and lower education might contribute to explain the adverse labour market outcomes, also discrimination, stigmatization and the development of cognitive and noncognitive skills seemed to influence the outcomes. Prevention of these adverse labour market impacts likely requires multilevel efforts.
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The Pediatric Obesity Encounter: Literature and Resources to Help with 4 Common Issues.
Zachary, M, Sisley, S
Current nutrition reports. 2020;(2):94-100
Abstract
PURPOSE OF REVIEW We review here best practices and resources for pediatricians providing pediatric obesity management in 4 key areas: how to assess all of the relevant factors contributing to obesity, how to provide nutrition education, how to counsel families who eat out regularly, and what to do with patients who frequently make poor eating choices. RECENT FINDINGS While there are many resources indicating recommendations for the physical exam and laboratory tests, there are very few resources that give pragmatic advice on the counseling aspects of the pediatric obesity encounter. We note new nutrition research showing the importance of avoiding ultra-processed foods. Most importantly, we list several resources regarding useful questionnaires, nutrition guidance, and even further training for pediatricians. There is a need for more curation of resources in different aspects of obesity care. We hope that this review and list of resources are helpful for pediatricians and will empower families and can be expanded in the future.
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Recent Advances in Treatment of Childhood Obesity.
Milano, W, Ambrosio, P, Carizzone, F, Di Munzio, W, De Biasio, V, Capasso, A
Current drug metabolism. 2020;(14):1072-1078
Abstract
Childhood obesity has assumed epidemic proportions and is currently one of the most widespread public health problems. Many are the factors involved in the pathogenesis of excess weight with interactions between genetic, environmental and biological factors and therefore, also the therapeutic approach must be multidisciplinary and multidimensional. In this review of the literature, we report the contiguity of childhood obesity with eating disorders and the importance of involving the family context in order to induce stable lifestyle changes, both in relation to dietary and nutritional habits, but also in increasing physical activity. Finally, among the therapeutic options, although for selected cases, pharmacotherapy and bariatric surgery can be used as treatment strategies.
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The Role of General Parenting Style in Child Diet and Obesity Risk.
Kiefner-Burmeister, A, Hinman, N
Current nutrition reports. 2020;(1):14-30
Abstract
PURPOSE OF REVIEW The childhood obesity epidemic is widely considered to have reached pandemic proportions. Across the world, children with obesity are facing numerous psychological and physiological issues that follow them into adulthood, frequently leading to chronic illness and early death. In an effort to combat the compounding effects of childhood overweight, researchers are attempting to identify biological and environmental contributors to child weight. Parenting styles are one recognized influence on child diet and body mass index (BMI). This review is a comprehensive examination of the literature on the influence of parenting style on childhood diet and BMI over the past 5 years. RECENT FINDINGS Current research continues to support the use of traditional parenting style categories (i.e., authoritative, authoritarian, permissive, uninvolved/neglectful): however, newer subcategories of Baumrind's styles and the inclusion of previously underrepresented groups (e.g., fathers, cross cultural comparison studies) are shedding more light on the nuance of parenting's relationship with child weight. Parenting styles that focus on the balance of warmth and control (e.g., authoritative) in contrast to the styles dedicated to only one of these constructs (e.g., permissive, authoritarian) seem to promote the healthiest dietary habits and may be protective of child BMI.
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Physiological mechanisms underlying children's circannual growth patterns and their contributions to the obesity epidemic in elementary school age children.
Moreno, JP, Crowley, SJ, Alfano, CA, Thompson, D
Obesity reviews : an official journal of the International Association for the Study of Obesity. 2020;(3):e12973
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Several studies since the 1990s have demonstrated that children increase their body mass index at a faster rate during summer months compared with the school year, leading some to conclude that the out-of-school summer environment is responsible. Other studies, however, have suggested that seasonality may play a role in children's height and weight changes across the year. This article reviews evidence for seasonal differences in the rate of children's height and weight gain and proposes potential physiological mechanisms that may explain these seasonal variations.
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COVID-19 and obesity in childhood and adolescence: a clinical review.
Nogueira-de-Almeida, CA, Del Ciampo, LA, Ferraz, IS, Del Ciampo, IRL, Contini, AA, Ued, FDV
Jornal de pediatria. 2020;(5):546-558
Abstract
OBJECTIVE To identify factors that contribute to the increased susceptibility and severity of COVID-19 in obese children and adolescents, and its health consequences. SOURCES Studies published between 2000 and 2020 in the PubMed, MEDLINE, Scopus, SciELO, and Cochrane databases. SUMMARY OF FINDINGS Obesity is a highly prevalent comorbidity in severe cases of COVID-19 in children and adolescents; social isolation may lead to increase fat accumulation. Excessive adipose tissue, deficit in lean mass, insulin resistance, dyslipidemia, hypertension, high levels of proinflammatory cytokines, and low intake of essential nutrients are factors that compromise the functioning of organs and systems in obese individuals. These factors are associated with damage to immune, cardiovascular, respiratory, and urinary systems, along with modification of the intestinal microbiota (dysbiosis). In severe acute respiratory syndrome coronavirus 2 infection, these organic changes from obesity may increase the need for ventilatory assistance, risk of thromboembolism, reduced glomerular filtration rate, changes in the innate and adaptive immune response, and perpetuation of the chronic inflammatory response. CONCLUSIONS The need for social isolation can have the effect of causing or worsening obesity and its comorbidities, and pediatricians need to be aware of this issue. Facing children with suspected or confirmed COVID-19, health professionals should 1) diagnose excess weight; 2) advise on health care in times of isolation; 3) screen for comorbidities, ensuring that treatment is not interrupted; 4) measure levels of immunonutrients; 5) guide the family in understanding the specifics of the situation; and 6) refer to units qualified to care for obese children and adolescents when necessary.