The hazardous effects of environmental lead exposure on children have become a serious problem involving in public health issue.
2
铅作为中枢神经毒物，对儿童的健康和智能的危害更严重。
The harm of lead on childrens growth and intelligence behavior is more serious.
3
结论：铅中毒已经对儿童健康造成了潜在的危害，所以要采取措施，查找铅污染源，预防铅中毒。
Conclusion: lead pollution had caused potential adverse effects on children health, so that measures should be taken to find the contaminated sources and prevent lead poisoning.
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