"Researchers have pinpointed the source of what is probably the worst mass poisoning in history, according to a study published Sunday.
For nearly three decades scientists have struggled to figure out exactly how arsenic was getting into the drinking water of millions of people in rural Bangladesh.
The culprit, says the new study, are tens of thousands of man-made ponds excavated to provide soil for flood protection.
An estimated two million people in Bangladesh suffer from arsenic poisoning, and health experts suspect the toxic, metal-like element has caused -- and will continue to cause -- many deaths as well."
AFP had the story November 15, 2009.
Source: AFP, 11/17/2009
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