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Nature Cell Biology 10, 507–509 (1 May 2008) | doi:10.1038/ncb0508-507

Marked for death

Kevin Petrie & Arthur Zelent

Although better known as a poison and famously rumoured to have been used to kill Napoleon, arsenic is one of the oldest medicines known to man. First described nearly 2500 years ago by the ancient Greek physician Hippocrates, it has been used to treat a variety of ailments and diseases including syphilis and cancer (for a review see ref.