The history of willow bark being used as a pain killer by ancient Europeans is... debatable. https://en.m.wikipedia.org/wiki/History_of_aspirin#History_of_will

The history of willow bark being used as a pain killer by ancient Europeans is... debatable. https://en.m.wikipedia.org/wiki/History_of_aspirin#History_of_willow_in_medicine https://en.m.wikipedia.org/wiki/History_of_aspirin#History_o... https://theconversation.com/hippocrates-and-willow-bark-what-you-know-about-the-history-of-aspirin-is-probably-wrong-148087 https://theconversation.com/hippocrates-and-willow-bark-what... https://www.galvnews.com/health/free/article_8c8b50e5-6712-571e-9516-9b965aec6d8b.html https://www.galvnews.com/health/free/article_8c8b50e5-6712-5...