10/29/2014 11:00 am ET

Why Flying On A Plane Makes You Feel Terrible

Izabela Habur via Getty Images

Do you feel inexplicably crappy — tired, dehydrated, and headachy — every time you fly?

It's not your imagination. People talk a lot about the many awful aspects of flying nowadays, but one that gets less attention is the way that sitting in a small, pressurized metal tube at 35,000 feet for several hours wreaks havoc on your body.

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