Earwax. How often do we really stop and mull over the stuff that oozes out of our ear canals? For most of us, it builds up over time, and we clean it out without much thought. But the substance—sticky for some, white and flaky for others—is an odd and fascinating thing. For example, it can be used to measure stress levels or learn more about ancient Japanese civilizations. There are also more disturbing cases involving earwax like the man in Florida who had a hungry cockroach burrow inside him or the historic banquet guests who would deliberately make themselves vomit.

https://listverse.com/2023/08/19/ten-bizarre-facts-about-earwax/

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