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by Jimmc414·5y ago·view on hn ↗
I agree and think q-tip use has damaged my hearing considerably over the years.
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The ear canal is surprisingly delicate. I started ocean swimming recently, and was surprised to learn that I was developing "surfer's ear" -- a buildup of scar tissue. The damage is cumulative, and if you let it go past a certain point the only fix is surgery.
The sea water was causing scar tissue? I’m confused.
https://en.wikipedia.org/wiki/Surfer%27s_ear:

Irritation from cold wind and water exposure causes the bone surrounding the ear canal to develop lumps of new bony growth which constrict the ear canal. Where the ear canal is actually blocked by this condition, water and wax can become trapped and give rise to infection

I'm guessing air trapped in the ear canal can cause stretching damage when under water?
Judging from experience with my own ears, cold is the primary irritant.