Witness: Witness Archive 2017

The Discovery of Botox

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Sinopse

How an ophthalmologist and a dermatologist in Vancouver, Canada, discovered that small amounts of a deadly toxin could make frown lines disappear. Chloe Hadjimatheou spoke to Drs Jean and Alastair Carruthers about their breakthrough. Photo: Doctor injecting a woman's face with botulinum toxin. Copyright: Pascal Goetgheluck/Science Photo Library.