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I have an uncle in his 70s. The other day he gave me some shrubbery to chew on coz of a toothache. I was like yeah-yeah let me humour him. Shock on me! The thing worked! Numbs the pain. In fact, any part of the tongue had a numbed feeling similar to the feeling you get when the dentist injects you.. I believe there’s probably a lot one can learn from the connected with nature older folks

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And we likely have learned from this! The plant likely had something like Menthol (from various mint) or Eugenol (clove, nutmeg, basil, etc) [0]. Both of these are examples of items where we found and isolated the compounds responsible for the desirable effects. Both of these are used as mild local anesthetics.

Or he gave you some coca leaves to chew on since cocaine was one of the first really strong local anesthetics. A lot modern anesthetics are synthesized but based on the structure of cocaine, but without that pesky drug addiction and nasty side effects. This includes lidocaine, which what they do typically use at the dentist.

[0] https://en.wikipedia.org/wiki/Local_anesthetic#Naturally_der...

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