Researchers have uncovered evidence of topical anesthetics used in 14th-century China, developed by surgeon Xia Quan during the Ming dynasty. Analysis of surgical tools from Xia's tomb revealed the presence of aconitine, a toxin from the wolfsbane plant. This discovery supports historical texts and demonstrates an early understanding of how such compounds could temporarily inhibit nerve function to alleviate surgical pain. AI
RANK_REASON Discovery of historical medical practices supported by physical evidence. [lever_c_demoted from research: ic=1 ai=0.1]
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