Download The Discovery of Botox
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.
Published on Tuesday, 22nd August 2017.
Available Podcasts from Witness History
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