Which South American plant-derived poison was refined in the 20th century to become the first clinical muscle relaxant?
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Indigenous hunters in the Amazon used curare on blowpipe darts to paralyze prey. In 1942, doctors successfully used a refined form of it during surgery to relax a patient's muscles, making abdominal operations much easier and safer by reducing the amount of deep general anesthesia needed. Photo: Wikimedia Commons, CC BY 4.0.
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Source: Wikipedia (CC BY-SA)
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