How is our body able withstand the pressure of miles of air in the atmosphere?
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Every 1 inch by 1 inch column of atmosohere weighs 15 pounds. It could weight 30, 69, or 90 pounds and make no difference because the pressure is equalized throughout our body.
Pressure only causes problems when it tries to enter or escape a sealed rigid vessel, like your nasal sinuses or middle ear. If your sinus passages or eustachian tubes are inflamed, atmosphere cannot pass to equalize pressure differences, which causes pain or physical tissue damage if the differential pressure becomes too high.
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