I get that when our skin feels a certain degree of heat it triggers a pain response, but why? What is happening at the molecular or atomic level? When I hold a hot mug of coffee, what is happening to my hand?
In: Chemistry
Related, here is Forrest Valkai, YouTube science guy,discussing how the heat receptors in your mouth are activated by spicy food presented while taking the hot ones challenge.
[if you like dumb Science videos](https://youtu.be/Q3U6G-d-a1k?si=maAfYDnhLl4bz-B9)
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