Mass Arsenic Exposure from Bangladesh's Drinking Water 3.80K Jeff Neumann 06/19/10 02:33PM Filed to: awful awful Poison bangladesh world health organization Water Lancet In Bangladesh, a country of 160 million, some 77 million people have been poisoned by arsenic in the drinking water, according to a 10-year Lancet study. The WHO calls it "the largest mass poisoning of a population in history." [BBC]