Air quality during flights, including air pressure and recycled / filtered air is often an issue that contributes to the comfort and health during flights - and after.
What is it about air travel that can affect the air traveler so adversely? How is it that you can feel one way on the ground and completely different in the air? Perhaps the best answers come from taking a closer look at the air you will be breathing on your next flight.
One of the primary concerns for the air traveler who is now on board and in flight is air pressure - the uncomfortable ear popping experience. This is the effect of air pressure in action. Air pressure naturally decreases as you move to higher altitudes. Consider how much thinner the air is at the top of Mount Everest as opposed to at the beach. People experience altitude sickness at higher elevations because the air conditions are simply not the same. Even with some control of air pressure inside an aircraft, it is not unreasonable to think that the air pressure may be other than your daily experience.
The air pressure inside the airplane's cabin is usually set to resemble the conditions that one would experience at an altitude of between 5,000 and 9,000 feet - a fair-sized mountain! This may explain why many travelers will often feel the symptoms of their ailments more acutely, why alcohol may be more potent, and why you may be more prone to headaches.
The air pressure in the aircraft's cabin can also help explain why your mild cold symptoms can suddenly feel like a knock-out flu. Traveling with a broken arm? Make sure that your fracture will not be worsened with air travel by consulting your physician before you fly. Along the same lines, it is important for pregnant women in both their first and third trimesters to clear their air travel plans with their doctors. The first trimester needs to be considered because miscarriages tend to be of greater concern, and the third trimester because there is the risk that the sudden changes in air pressure may or may not lead to the possibility of an early labor.
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