Study Documents Nigerian Children Died From Families’ Gold Mining

All the results were extreme. Eighty-one percent of the children who died had suffered seizures, a sign of acute lead poisoning. Of the surviving children who were tested, “all blood samples indicated lead poisoning,” while 97 percent needed immediate chelation therapy to lower those levels, according to the report. Mercury levels were lower in the children, but still excessive
http://www.environmentalhealthnews.org/ehs/news/2011/nigerian-children-die-from-lead-poisoning