全球海鲜生产实践和贸易模式有助于对甲基暴露的差异
Qinqin Chen1,2,3, Qingru Wu4,5,6, Yuying Cui1,2,3
1School of Environment, Tsinghua University, Beijing, China.
Nature food
|March 14, 2025
概括
高收入国家面临更大的甲基 (MeHg) 暴露从海鲜由于更高的消费和生产度. 全球海鲜贸易不平等地重新分配MeHg,影响全球的健康和经济.
科学领域:
- 环境健康 环境健康
- 食品安全 食品安全
- 全球贸易分析
背景情况:
- 海鲜消费是甲基 (MeHg) 暴露的主要途径.
- 了解MeHg通过海鲜价值链的旅程至关重要,但有限.
- 甲是一种普遍存在的神经毒素,具有重大公共卫生影响.
研究的目的:
- 量化2019年全球海鲜生产,贸易和消费中的甲基 (MeHg) 含量.
- 确定导致不同收入国家的MeHg暴露差异的因素.
- 评估海鲜中MeHg暴露对健康和经济的影响.
主要方法:
- 2019年全球收集关于海鲜生产,贸易和消费中MeHg的数据.
- 在高收入和低收入国家之间对MeHg暴露水平的比较分析.
- 通过国际海鲜贸易对MeHg再分配的评估.
- 估计因暴露于MeHg而导致的过早死亡和经济损失.
主要成果:
- 高收入国家呈现的MeHg暴露水平比低收入国家高出10倍.
- 更多的海鲜消费和海鲜生产中的MeHg度增加,导致高收入国家暴露率增加.
- 海鲜中43%的MeHg通过贸易重新分配,不平等的分配有利于从高收入国家出口到低收入国家.
- 估计全球61,800例过早死亡和2.87万亿美元的经济损失与海鲜MeHg暴露有关.
结论:
- 海鲜生产和贸易模式显著影响全球甲基 (MeHg) 暴露.
- 通过贸易不公平地重新分配MeHg加剧了健康风险,特别是在低收入国家.
- 迫切需要改变海鲜生产实践和贸易政策,以减轻MeHg风险和相关的经济负担.
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