The hissing: is called tinnitus and it is a common result of high altitude flying and the effect of air pressure changes on the inner ear hearing "system" (which also helps us with balance) Try chewing gum during take off and landings! Hope this helps! Dr Z
Answered 8/15/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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