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Mass murder and marvellous medicine

Arsenic is a naturally occurring element with a chequered past. From treating ulcers to bumping off rivals, David Jesudason charts how the chemical has been used to cure and kill for centuries.

Words by David Jesudason

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About the author

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David Jesudason

David Jesudason is a freelance journalist writing for national newspapers including the Guardian and Independent. He also covers film and TV for BBC Culture, music for Kerrang! and green issues for Wicked Leeks.