Nothing genetic: I am not aware of any geneticly linked predisposition to ear drum rupture. The ear drum is tucked away in a strong bone protected from most outside events. Cupping injury( in a fight) or proximity to a blast might generate pressure waves that would rupture your drum. With any middle ear infection a rupture might occur & essentially all kids have them but not so many adults.
Answered 3/19/2012
6k views
Bad Luck: Although there can be a genetic predisposition to developing ear infections, the ones that rupture are due to the severity of the specific infection and the response your immune system has to that infection. Bad luck.
Answered 3/19/2012
6k views
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