Ear Cleaning Makes You Cough? You're in the Rare 2%
One person thought it was a common quirk — turns out they'd just beaten incredible odds finding each other.
What's going on
In Japan, cleaning your ears with a small bamboo or metal ear pick (mimi-kaki) is a deeply familiar ritual — quite different from the cotton swab approach common elsewhere, and traditionally done while lying with your head in someone's lap. What most people don't experience is what one poster discovered: the act of cleaning their ears triggers an involuntary cough.
The culprit is a branch of the vagus nerve that passes through the outer ear canal. In some people, stimulating this nerve sends a confused signal to the throat, triggering a cough reflex as if something needed to be cleared. Estimates put this trait at around 2% of the population. When the original poster looked it up, they realized that the friend who'd said "yeah, me too!" on a call wasn't proof this was common — the two had simply found each other against enormous odds. The thread became a gathering point for the entire 2%, along with people sharing their own unexpected nerve cross-wirings.
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My take
Comments loosely translated for tone.