So, it turns out some #pilots get tubes placed in their ears to help with air circulation through their eustachian tubes during pressure changes. From what I understand the tubes fall out at 6 months. They are inserted via small hole in the ear drum. My QUESTION: is it safe to put in tubes multiple times? Do the tiny eardrum holes scar over each time, build up and affect hearing? Is there a limit to how many times tubes can be placed in?
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