Just put some on my knee and i’m a little amazed.
In: Biology
Probably capcasin (same stuff in chilli that makes it sting). Basically it overstimulates sensory neurons in the area you apply it.
Why?
When your brain detects a bunch of signal firing constantly as noise, it just ends up blocking it eventually.
These pain relievers don’t really address pain. They just make a lot noise so your brain puts on some earplugs to ignore those particular signals.
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