Pollution 'makes you stupid' 环境污染使人变蠢

Brain at risk from the environment

（环境污染严重损害大脑） 

Pollution and other environmental threats are harming the intelligence of millions of people across the world, says a United Kingdom review of the available evidence.

The causes are poisons such as lead, PCBs, and radiation.

A further problem is the loss of micronutrients like iron and iodine through soil erosion, impoverishing food crops. And scientists say it is hard to know the full extent of the problem, because of the difficulty of gathering data.

据英国杂志报道，污染与其它环境问题正在威胁着全世界成千上百万人们的智力发育。

其主要原因在于人们使用的导线、电路板与辐射的毒害作用。

另一个大问题是由于土壤腐蚀而导致的农作物中的铁和碘等微量元素的流失，科学家说很难完全了解问题已经有多严重，因为数据实在太难统计了。