全球粮食安全与营养论坛 (FSN论坛)

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在与超重和肥胖作斗争方面有无卓有成效的政策和计划?

各位同事:

 

        我们荣幸地邀请各位参加有关“在与超重和肥胖作斗争方面卓有成效的政策和计划”的在线讨论。请阅读背景资料并回答以下讨论问题。

 

讨论论坛的简要背景

        制定和实施旨在预防、监测和减少超重和肥胖的公共政策和计划无论对拉丁美洲和加勒比还是对世界其他多数区域来说都是一项挑战。

        超重和肥胖在很多国家都被看作是一个严峻的公共健康问题,需要在各级采取紧迫措施加以应对,包括适当政策和计划的制定、实施、监测和评估等。根据世界卫生组织(世卫组织)统计,2014年有19亿成年人(18岁以上)体重超重,有6亿人肥胖。此外,2013年有4200万五岁以下儿童超重或肥胖。

        为确保各项公共政策和计划的成功实施,这些政策和计划就应当建立在科学依据和/或经过验证的措施之上。但在有关应对这些问题的政策和计划的成果和影响方面却缺乏综合和全面的信息。

        针对这一不足,粮农组织和智利天主教大学(西班牙文简称PUC)与世卫组织合作正在开展一项“减少肥胖国际证据研究:个案研究经验教训”(“Estudio de evidencia internacional en la reducción de obesidad: Lecciones aprendidas de estudios de caso”)。该项研究有两个主要目的:

  • 在国际层面收集和分析应对肥胖和超重问题最有效的现有主要政策和计划。
  • 把成果提供给议会会员和(公共政策)决策者,目的是为在本区域设计和实施能有效应对超重和肥胖问题的举措提供更完备参考。

 

        该项研究目前正在进行并已考查了若干干预措施,这些干预措施划分为以下几个类别:获取(向脆弱群体提供营养食物、在学校和其他公共机构禁绝垃圾食品);教育(膳食指南、学校营养教育、促进体育活动、推广健康膳食的公众运动、营养标识、限制垃圾食品广告);供给(在“食物洼地”和“食物荒漠”等地区增加健康食物供应、为缩短销售周期提供便利、改善食品营养质量);以及经济(税收、补贴和价格变动)。为强化已经做出的努力,本论坛和各位的参与将在收集更多证据、良好实践经验和成功案例,以及反映全球、各区域和各国在这一领域的工作方面发挥关键作用。

        因此我们诚邀各位回答以下一个或多个问题并分享在与超重和肥胖作斗争的成功政策和计划方面的知识。请记住,我们尤其感兴趣的是利用这一平台获取和共享各位所在国家或其他国家政府所采取的具体举措的实例。

 

讨论问题

 

        基于你的经验和/或知识:

 

  1. 你所在国家或区域为预防超重和肥胖采取了何种政策和/或计划?请考虑:

 

  • 国家/地方政策和举措(即营养标识、食品税收/补贴、促进水果和蔬菜消费、膳食指南、促进体育活动的政策、其他政策中的营养教育);
  • 社区和学校环境下的干预措施和/或计划。

 

注: 请分享链接、科学论文和/或文件来充实你的答复。

 

  1. 你所提及的政策和/或计划中有哪些在减少超重和肥胖方面成功发挥了实效?请回答下列问题进行补充:
  • 目标人口是多少?
  • 结果评估和/或有效性确认的方式是什么?有助于获得成效的成功因素有哪些?
  • 主要挑战、制约因素和教训有哪些?

 

  1. 最后,在有效支持针对超重和肥胖的政策、战略和/或计划方面有哪些关键要素
  • 请考虑治理、资源、能力建设、协调机制、领导力或信息交流网络等方面的要素。

        请各位踊跃分享有关这一议题的经验和知识。我们期待收到各位的意见和建议并携手从战略角度克服这一全球性难题。

Francisca Silva Torrealba,智利天主教大学

Rodrigo Vásquez Panizza,粮农组织智利代表处

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Dear all,

I would like to share with you a paper that describes the Project Energize in New Zealand. 

Prevention of childhood obesity is a global priority. The school setting offers access to large numbers of children and the ability to provide supportive environments for quality physical activity and nutrition. This article describes Project Energize, a through-school physical activity and nutrition programme that celebrated its 10-year anniversary in 2015 so that it might serve as a model for similar practices, initiatives and policies elsewhere. The programme was envisaged and financed by the Waikato District Health Board of New Zealand in 2004 and delivered by Sport Waikato to 124 primary schools as a randomised controlled trial from 2005 to 2006. The programme has since expanded to include all 242 primary schools in the Waikato region and 70 schools in other regions, including 53,000 children. Ongoing evaluation and development of Project Energize has shown it to be sustainable (ongoing for >10 years), both effective (lower obesity, higher physical fitness) and cost effective (one health related cost quality adjusted life year between $18,000 and $30,000) and efficient ($45/child/year) as a childhood ‘health’ programme. The programme’s unique community-based approach is inclusive of all children, serving a population that is 42 % Māori, the indigenous people of New Zealand. While the original nine healthy eating and seven quality physical activity goals have not changed, the delivery and assessment processes has been refined and the health service adapted over the 10 years of the programme existence, as well as adapted over time to other settings including early childhood education and schools in Cork in Ireland. Evaluation and research associated with the programme delivery and outcomes are ongoing. The dissemination of findings to politicians and collaboration with other service providers are both regarded as priorities.

Read more here https://bmcresnotes.biomedcentral.com/articles/10.1186/s13104-016-1849-1

  1. In India the new government worked to get global approval (W.H.O) of Yoga.  International yoga day was organized.  Efforts are on to implement Yoga in Indian schools.

  2. The international recognition of Yoga reinforced confidence in yoga teachers in India.   This has considerably reduced the marketing efforts required from yoga teachers.   The schools have become active in recruiting new yoga teachers.

  3.  We need a comprehensive understanding of overeating before starting the process of taxing food products.  I have prepared a comprehensive understanding of overeating.  The Governments around the world have proposed to tax various food products to stop obesity, diabetes & other non-communicable diseases (NCDs), and they include soda tax, candy tax, sugar tax, high salt and high sugar tax, junk food tax, pastry tax, etc. Even after taxing food products there is still discussion on food supplied in large quantities, and on promotions to children in the form of gifts and toys. There is a need for comprehensive global framework for health related food taxation and it is addressed by my work. https://www.mygov.in/sites/default/files/user_comments/Efficient-Tax-Framework.pdf

    Behavioral insight: This effort has also brought out the business behavior of tickling food consumption in individuals. Markets mechanisms reward the business behavior tickling food consumption as higher sales translates into higher profits.  Governments in developed countries have set up a team to nudge people’s behavior for improving health especially in the area of obesity and non-communicable diseases.   The business behavior of tickling food consumption generates or increases the need for governance efforts like behavior change interventions, and regulating tickling behavior will reduce the burden of governance.

The above framework will be a single basic document for Overeating behavior/Tax based financing for health/ Behavioral insight efforts.

English translation below

L'obésité constitue un phénomène de société encore très mal connu; ce qui constitue un obstacle sérieux au montage de projets et programmes efficaces pour la combattre. On ignore de façon très précise les déterminants de l'obésité. La nutrition seule n'est pas la cause de l'obésité à mon avis. Et l'indice de masse corporelle (IMC) jusque là utilisé ne semble pas pertinent dans tous les cas, dans tous les pays et pour toutes les races. L’IMC ne reflète pas seulement la masse grasse. Le calcul de l'IMC ne convient pas aux enfants, ni aux personnes trop courtes. Un individu dont l’IMC paraît correct, peut très bien souffrir d’un excès de graisse abdominal, potentiellement dangereux pour la santé. L’IMC est une mesure qui correspond à un individu à un instant précis : il ne reflète pas l’histoire du poids. Or, l’évolution du poids est très importante pour détecter un problème de santé. Les athlètes, en particulier les sportifs qui présentent une masse musculaire importante ont souvent un IMC relativement élevé, car la masse musculaire représente un poids non négligeable. La liaison entre l'IMC et la masse grasse semble différente en fonction des races. L’IMC doit être interprété avec prudence à l’échelle d’un individu. Il demeure davantage un bon indicateur pour l’ensemble d’une population.

Cette réalié fait que très peu de programmes sont efficaces contre l'obésité. Je n'en connais pas au Bénin. Même dans les pays développés, l'obésité se développe. Ce qui se passe aujourd'hui est que l'on est tenté de déclarer qu'il y a problème alors même que la personne concernée (en surpoids ou obèse) se sent encore bien dans sa peau. C'est la confusion entre indice et indicateur. Au Bénin par exemple, les femmes en point et les plus appréciées sont généralement celles en surpoids ou obèses si l'on doit considérer leurs IMC. Il s'ensuit que les questions de surpoids et d'obésité doivent être contextualisées. Les programmes à mettre en oeuvre doivent encore être des programmes de recherche pour identifier de façon plus ou moins précise les déterminants de l'obésité. Une typologie des groupes de communautés est nécessaire. Cette typologie doit être faite en fonction des races, de l'activité exercée, des régions et des considérations sociales (systèmes alimentaires, valeurs, ...). Aussi, doit-on distinguer les études d'incidence et de tendance (au niveau d'une population) des études au niveau individuel. Car, une situation qui s'avère alarmante au niveau de la population n'indique pas forcément que toutes les personnes concernées sont malades. Pour ma part, je crois qu'au niveau de l'individu, l'obésité est moins engendrée par l'alimentation que par la richesse nutritionnelle de l'aliment (surtout la richesse en nutriments synthétisés) et les facteurs de l'environnement: l'hérédité et la pression mentale. Une personne heureuse est plus prédisposée au surpoids et à l'obésité qu'une personne soucieuse, qui n'accepte pas encore sa situation. De plus, on remarque qu'il y souvent des personnes qui mangent beaucoup sans présenter aucun signe de surpoids ou d'obésité. De même, l'excès de graisse abdominal, que j'ai beaucoup observé en Italie par exemple, surtout chez les femmes et les filles, est rare au Bénin et en Afrique. La question est donc sérieuse et demande plus d'investigations.   

Obesity is still a very badly understood social phenomenon which creates a serious obstacle for the development of projects and programs that can combat it effectively. We very precisely ignore the causes of obesity. Nutrition alone is not the cause of obesity, in my opinion. And the currently used body mass index (BMI) does not seem pertinent in all cases, in all countries and for all ethnicities. The BMI does not reflect only body fat. The calculation of a BMI is not appropriate for children, or for shorter people. A person whose BMI is normal can very well have potentially dangerous excess abdominal fat. The BMI measures an individual at a specific point in time: it does not reflect weight history. However, weight change is a very important factor to detect health problems. Athletes, particularly those who have elevated muscle mass often present relatively high BMI because muscle mass represents a significant amount of weight. The connection between BMI and body fat seems different depending on ethnicity. The BMI must be interpreted with caution on the scale of the individual. It does however remain a good measurement for a population as a whole.

This reality means there are few effective programs against obesity. I do not know any in Benin. Even in developed countries, obesity is increasing. What is happening now is that we try to declare that there is a problem even when the person in question (overweight or obese) feels good about themselves. This is where confusion between index and indicator comes from. In Benin, for example, the most appreciated women are generally those overweight or obese if we consider their BMI. This leads to the need to contextualise questions of overweight and obesity. The programs to be put in place should still be focused on research to determine, more or less precisely, the determinants of obesity. A typology by community groups is necessary. This typology should reflect ethnicity, occupation, region and social considerations (diet, values, …). Also, we should distinguish studies referring to incidence and tendencies (at the population level) from those at the individual level. Because, a situation that seems alarming at the population level does not indicate necessarily that everyone concerned is sick. Personally, I believe that at the individual level, obesity is less a cause of consumption than of nutritionally rich foods (particularly with regards to synthetic ingredients) and environmental factors: heredity and psychologic pressure. A happy person is more predisposed to overweight and obesity than a worried person who does not yet accept their situation. Furthermore, we notice often people who eat a lot without presenting any indication of overweight or obesity. Likewise, an excess of abdominal fat, which I have observed a lot in Italy, particularly in women and girls, is rare in Benin and in Africa. The subject is therefore serious and requires more investigation.