浅谈重金属污染对健康的危害

由于重金属不能被生物降解，在环境中只能发生各种形态之间的相互转化，所以重金属污染的消除往往更为困难，对人体引起的影响和危害也是人们更为关注的问题。本文旨在提醒人们注意：环境中与人类健康关系密切的重金属，如Hg、Cd、Zn、Cu、Cr、Pb等，不仅有毒而且也能致癌，一旦进入体内则很难自然降解，从而对人体健康构成很大的危害。

Discussion on the Harm to Health for the Heavy Metal Pollution

Can biodegradation,can only take place the mutual transformation between various kinds of shapes among environment because of heavy metal,so the elimination that the heavy metal pollutes is often more difficult,the influence and danger caused to the human body are questions that people pay close attention to.This text aims at reminding people to notice:The heavy metal in close relation with human health in the environment, for instance Hg,Cd,Zn,Cu,Cr,Pb,etc., but also it can be carcinogenic to be not only poisonous,once it is very difficult to degrade naturally to enter in the body, thus form very great danger to the health.