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Residue on Ming-Era Surgical Tools May Be the Oldest Chemical Evidence of a Topical Anesthetic
Key Takeaways
- Residue analysis on Ming-era tools suggests use of a topical anesthetic.
- Researchers identified chemical traces consistent with processed Chinese wolfsbane.
- The study may be the oldest direct chemical evidence of topical anesthesia.
- The work shows how modern spectroscopy can recover medical history from artifacts.
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DT Editorial Team··via livescience.com