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Dental work is also a big driver in longevity, as is washing hands by doctors.



Can you expand on this? Were abscesses killing people or something else?



You know the very extreme of dental issues, nerve infections? Well, they're the very extreme because when it gets to the point of aching intensely all the time, anyone gets treated in a matter of days.

If there's no treatment, it keeps moving in.


One of the things that always puzzled me about human anatomy is why the heck are there nerves inside the teeth?




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