Even in the EU, average life expectancy is 8.6 months shorter due to exposure to PM2.5, though the lung cancer rate has slightly decreased there in recent years, studies found.
研究发现，即使是在近年来肺癌发病率略微下降的欧盟国家中，其平均寿命也因为暴露在PM2.5环境中的原因而缩短了8.6个月。
"It is possible to derive a quantitative relationship between pollution levels and specific health outcomes," according to a 2005 World Health Organization report. Yet, in China, "we have few such studies", said Shi Yuankai.
“污染程度和具体的健康状况之间可能存在某种定量关系。”一份于2005年发布的世界卫生组织报告中提到。但在中国，“目前我们还很少进行这样的研究”，石远凯说。
（实习编辑：刘伟）
（责任编辑:admin）
