解决营养不良的双重负担的解决方案也产生健康和环境的好处
Emiliano Lopez Barrera1, Thomas Hertel2
1Department of Agricultural Economics, Texas A&M University, College Station, TX, USA. elopezba@tamu.edu.
Nature food
|July 24, 2023
概括
未来的食物消费将使资源紧张,并使营养状况恶化. 减少食物浪费和过度消费是负担能力和土地利用的关键,而饮食转变会影响温室气体排放.
科学领域:
- 环境科学环境科学
- 公共卫生 公共卫生
- 营养科学 营养科学
背景情况:
- 当前的食品消费模式对自然资源施加了巨大的压力.
- 营养不良,以营养不良的双重负担为特征,预计将在各种卡路里摄入水平中持续存在.
- 预测趋势表明,到2050年,环境和健康挑战将会加剧.
研究的目的:
- 分析营养不良的双重负担的动态.
- 评估当前和未来食品消费模式对健康和环境的影响.
- 使用综合框架了解粮食安全,环境和健康之间的相互作用.
主要方法:
- 开发和应用一个综合分析框架.
- 食品需求行为及其后果的建模.
- 分析与体重指数 (BMI) 的上升相关的健康风险.
主要成果:
- 过多的热量摄入被认为是增加BMI的主要驱动因素,特别是在新兴经济体.
- 预计较高的BMI水平发生在较年轻的年龄段,增加了对心脏病,中风,癌症和2型糖尿病等慢性疾病的暴露.
- 减少食物浪费和过度消费大大提高了粮食负担能力,并减轻了农田扩张的压力,而不是改变饮食成分.
结论:
- 饮食成分极大地影响温室气体排放,同时减少食物浪费和过度消费对于粮食负担能力和可持续土地利用至关重要.
- 综合方法对于理解和减轻食品系统对健康和环境的复杂影响至关重要.
- 政策干预应解决食物消费行为和饮食模式,以实现可持续的粮食安全和公共卫生结果.
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