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Public health strategy against overweight and obesity in Mexico's National Agreement for Nutritional Health.

ABSTRACT: Overweight and obesity are major world global health challenges of the 21st century. Mexico is not an exception. Approximately 70% of the adult Mexican population has an excessive body weight. The prevalence of obesity and overweight in Mexican school children aged 5-11 is also high: one child in four is overweight. In light of the seriousness of the situation, the solutions for this problem are based on modification of the environments and change of individual habits and behaviors related to nutrition and physical activity. As a result, the Mexican government, public sector and academy established three common goals and 10 priority objectives that are expressed in the National Agreement for Nutritional Health-Strategy to Control Overweight and Obesity. The obesity problem requires interventions and policies that reside outside of the health sector domain, key aspects of this public health policy was agreement among all stakeholders on cross-cutting actions. The best examples of National Agreement's inter-sectorial action implementation is in the school setting and Code of 'Self Regulation' on Advertising of Food and Non-Alcoholic Beverages to Children introduced by the food and beverage industry. The ultimate goal of this national policy is to provide the strategic plan for healthy weight and better health, by promoting healthy lifestyles focused on correct diet and physical activity in all life stages, from pregnancy and early childhood and on into adulthood by a multi stakeholder approach. Although there have been great achievements in some areas of implementation, there are still challenges to confront.

SUBMITTER: Latnovic L

PROVIDER: S-EPMC4850566 | biostudies-other | 2013 Jun

REPOSITORIES: biostudies-other

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Project description:BackgroundDespite the increasing understanding of the mechanisms relating to weight loss and maintenance, there are currently no validated public health interventions that are able to achieve sustained long-term weight loss or to stem the increasing prevalence of obesity in the population. We aimed to examine the models of energy balance underpinning current research about weight-loss intervention from the field of public health, and to determine whether they are consistent with the model provided by basic science. EMBASE was searched for papers published in 2011 on weight-loss interventions. We extracted details of the population, nature of the intervention, and key findings for 27 articles.DiscussionMost public health interventions identified were based on a simple model of energy balance, and thus attempted to reduce caloric consumption and/or increase physical activity in order to create a negative energy balance. There appeared to be little consideration of homeostatic feedback mechanisms and their effect on weight-loss success. It seems that there has been a lack of translation between recent advances in understanding of the basic science behind weight loss, and the concepts underpinning the increasingly urgent efforts to reduce excess weight in the population.SummaryPublic health weight-loss interventions seem to be based on an outdated understanding of the science. Their continued failure to achieve any meaningful, long-term results reflects the need to develop intervention science that is integrated with knowledge from basic science. Instead of asking why people persist in eating too much and exercising too little, the key questions of obesity research should address those factors (environmental, behavioral or otherwise) that lead to dysregulation of the homeostatic mechanism of energy regulation. There is a need for a multidisciplinary approach in the design of future weight-loss interventions in order to improve long-term weight-loss success.

Project description:BackgroundGreater understanding about the prevention and treatment of overweight and obesity in preschool children within public health care is needed. This study assessed the impact of The First Steps module in routine primary health care including mapping of height/weight and diet followed by parental counselling of healthy habits on overweight and obesity in children aged 2 to 7 years. Further, we explored the experiences of public health nurses (PHNs) with the module.MethodsBody weight and height obtained in 2014 and 2016 were extracted retrospectively for 676 children from the health records of children at 2, 4, or 6 years of age in five child health centers in Southern Norway. Sex- and age-adjusted body mass index (BMI) z-scores and weight status classifications were calculated according to the International Obesity Task Force reference values. Impact was assessed as change in mean BMI z-scores for children with under-, normal-, and overweight, respectively, and as proportion of children with overweight and obesity. In focus groups, PHNs described their experiences with the practical application of the module. Focus group transcripts were analyzed using Braun and Clarke's thematic analysis.ResultsMean BMI z-scores decreased from 2014 to 2016 in overweight children (- 0.26) and increased in children with under- (0.63) and normal weight (0.06), whereas the proportion of children with overweight and obesity was stable. PHNs believed that the module provides them with new tools that are useful for addressing the intricacies of childhood obesity. They described counseling sessions with families as "moving upstream in a river" and that overweight and obesity may be one of many complex challenges for these families.ConclusionsMean BMI z-score decreased in children with overweight during the 2 years after initiation of The First Steps module. PHNs considered the module as useful for addressing children's overweight and obesity, which was perceived as one of several complex challenges for most of these families. Specialist and evidence-based support is needed to address overweight and obesity in children in primary care. Further research should focus on integrating the issues relating to overweight and obesity within other family problems.

Project description:Backgroundnationally determined contributions (NDCs) serve to meet the goals of the Paris Agreement of staying "well below 2°C", which could also yield substantial health co-benefits in the process. However, existing NDC commitments are inadequate to achieve this goal. Placing health as a key focus of the NDCs could present an opportunity to increase ambition and realise health co-benefits. We modelled scenarios to analyse the health co-benefits of NDCs for the year 2040 for nine representative countries (ie, Brazil, China, Germany, India, Indonesia, Nigeria, South Africa, the UK, and the USA) that were selected for their contribution to global greenhouse gas emissions and their global or regional influence.MethodsModelling the energy, food and agriculture, and transport sectors, and mortality related to risk factors of air pollution, diet, and physical activity, we analysed the health co-benefits of existing NDCs and related policies (ie, the current pathways scenario) for 2040 in nine countries around the world. We compared these health co-benefits with two alternative scenarios, one consistent with the goal of the Paris Agreement and the Sustainable Development Goals (ie, the sustainable pathways scenario), and one in line with the sustainable pathways scenario, but also placing health as a central focus of the policies (ie, the health in all climate policies scenario).FindingsCompared with the current pathways scenario, the sustainable pathways scenario resulted in an annual reduction of 1·18 million air pollution-related deaths, 5·86 million diet-related deaths, and 1·15 million deaths due to physical inactivity, across the nine countries, by 2040. Adopting the more ambitious health in all climate policies scenario would result in a further reduction of 462 000 annual deaths attributable to air pollution, 572 000 annual deaths attributable to diet, and 943 000 annual deaths attributable to physical inactivity. These benefits were attributable to the mitigation of direct greenhouse gas emissions and the commensurate actions that reduce exposure to harmful pollutants, as well as improved diets and safe physical activity.InterpretationA greater consideration of health in the NDCs and climate change mitigation policies has the potential to yield considerable health benefits as well as achieve the "well below 2°C" commitment across a range of regional and economic contexts.FundingThis work was in part funded through an unrestricted grant from the Wellcome Trust (award number 209734/Z/17/Z) and supported by an Engineering and Physical Sciences Research Council grant (grant number EP/R035288/1).

Project description:BackgroundOverweight and obesity are growing health problems both worldwide and in Malaysia due to such lifestyle changes as decreased physical activity (PA), increased sedentary behavior and unhealthy eating habits. This study examined the levels and patterns of PA among normal-weight and overweight/obese adults and to investigate the association between PA level and overweight/obesity in Malaysian adults.MethodsThis study used data from the 2015 National Health and Morbidity Survey (NHMS), a nationwide cross-sectional survey that implemented a two-stage stratified random sampling design. Respondents aged 18 years and above (n = 17,261) were included in the analysis. The short version of International Physical Activity Questionnaire (IPAQ) was administered to assess the respondents' PA levels. The respondents' height and weight were objectively measured and body mass index (BMI) was calculated. The respondents were categorized according to BMI as either normal-weight (18.5-24.9 kg/m2) or overweight/obese (≥ 25 kg/m2). Descriptive and complex sample logistic regression analyses were employed as appropriate.ResultsOverall, approximately 1 in 2 respondents (51.2%) were overweight/obese, even though the majority (69.0%) reporting at least a moderate level of PA (total PA ≥ 10 MET-hours/week). In both normal-weight and overweight/obese groups, a significantly higher prevalence of high PA (total PA ≥ 50 MET-hours/week) was observed among men than women (p < 0.001), but women reported a significantly higher prevalence of low and moderate PA than men (p < 0.001). Men reported significantly higher activity levels (in MET-hours/week) than women with regard to walking, vigorous-intensity PA and total PA (p < 0.001). Overweight/obese men reported a significantly lower level of vigorous-intensity PA and total PA than normal-weight men (p < 0.001). A low level of PA was associated with the risk of overweight/obesity (Adjusted OR = 1.14; 95% CI: 1.01-1.30) compared to a high level of PA among men but not among women.ConclusionsThe levels of PA were inversely related to the risk of overweight/obesity in men but not in women. Programs designed to reduce overweight/obesity rates should encourage the practice of moderate- to vigorous-intensity PA. Future research should consider using longitudinal and prospective approaches that simultaneously measure dietary intake, PA and BMI among Malaysian adults to investigate the actual relationship between PA and overweight/obesity.

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Public health strategy against overweight and obesity in Mexico's National Agreement for Nutritional Health.

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