In my mind, the eustacian tube acts as a two-way pressure relief valve, opening momentarily to allow the pressure difference between the middle ear and external environment to equalize. That happens momentarily many times each day. Fixing the valve so it remains either always open or always closed defeats the purpose. Mine is mostly closed, but I can force it to open by blowing my nose hard. I don't like it when it sticks open though.
Pete
dx 1/11
"Every day is a good day. Some are better than others." - unknown
"Take your meds as directed and live your life as fully as you can." - Michael Chacey, MD
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