Poison Pen: The Arsenic in Our Drinking Water

Long famed for its homicidal toxicity at high doses, a number of studies suggest that arsenic is an astonishingly versatile poison, able to do damage even at low doses.

Source: http://well.blogs.nytimes.com/2013/09/20/the-arsenic-in-our-drinking-water/?partner=rss&emc=rss

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