How does flying affect your immune system?

How flying affects the immune system. Airplane cabins are filled with low-humidity air, which can dry out the nasal passages and the eyes. These are important because they are some of the first borders for keeping viruses and bacteria at bay. Here's what you can do about it: Drink water!



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The cramped conditions and long periods of being less active on a flight can cause pain, stiffness or swelling of your legs. Being less active can lead to slow blood flow in your veins which increases your risk of developing a blood clot, known as deep vein thrombosis (DVT). DVTs most commonly form in the legs.

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There are factors that can make people more prone to getting sick from flying, experts say. The air on planes is low in humidity, which can irritate mucosal membranes in the nose and mouth and skin, leading passengers to scratch and create tiny tears.

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Low humidity on airplanes Low humidity can cause the nasal passages to dry out and cause irritation in the nose and throat. On top of that, bacteria and viruses can survive longer in low-humidity environments, making it harder for your body to fight off any infections you might catch aboard a plane.

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Airplane travel and sleep disturbances caused by air travel are frequently reported. Passengers who travel regularly are likely to change time zones and can experience circadian rhythm misalignment, leading to jet lag disorder (JLD). The incidence of jet lag increases with the number of time zones crossed.

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In terms of the common cold, it is now well-accepted that acute respiratory infections are frequently experienced after air travel. So it's no surprise when we find ourselves getting sick after flying.

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About a quarter of passengers get airsick, according to one study. The feeling is arguably more distressing than carsickness because, after all, an airplane passenger can't pull over and wait for the wave of nausea to pass. (Seasickness is still undeniably the worst of all, though.)

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Jet belly: (noun) the bloated state in which your stomach inflates post-flight. Also, a very unpleasant feeling. May also make you look like you're 3 months pregnant. So how does one prevent this jet belly? Well, it all depends on what you eat on the plane.

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Aircraft noise pollution disrupts sleep, children's education and could increase cardiovascular risk. Airports can generate water pollution due to their extensive handling of jet fuel and deicing chemicals if not contained, contaminating nearby water bodies.

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The Airport and Airplanes are Full of Germs Airplanes are just as dirty. Studies have shown bacteria and viruses living on armrests, seat belts, window shades, tray tables, toilet handles, and more for DAYS.

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Planes also have very little humidity and the dry air can irritate the mucous membranes of the throat.

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Airborne Illnesses “You are at greater risk if the person is seated within two rows of you. But your risk is lower if the person is seated three or more rows away.” Upper respiratory infections, such as the common cold and the flu, are the most common illnesses that air travelers might be exposed to while in flight.

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Low air pressure during air travel also decreases the amount of oxygen in the air. This effect is modest and generally not noticeable for healthy travelers. For patients with significant lung disease, a small decrease in available oxygen can cause significant symptoms, especially with exercise.

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Feeling unwell directly after a flight is often the cause of low humidity. Planes have a different atmospheric pressure than we are used to, which can cause the nasal passages to dry, leading to symptoms resembling flu.

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Generally, you are going to need a doctor's note or a medical letter proving illness. From there, it's worth giving your airline a call.

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While many love the experience of travelling by flight, it can be a nightmare for others who often complain of experiencing jet lag, nausea, memory loss, or brain fog post their journey. Some studies show that even relatively mild levels of hypoxia (deficiency in oxygen) can alter our ability to think clearly.

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Remember that anything over 6 hours flying time is considered long haul, but flights of longer than 10 hours are not uncommon either. One important thing to remember is to keep your seat belt fastened at all times in case of unexpected turbulence.

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10 Tips for Plane Travel
  1. Drink more water. Hydration will help you handle anything air travel sends your way. ...
  2. Drink less alcohol. Alcohol presents a double threat to airplane wellness. ...
  3. Pack for hydration. ...
  4. Prepare your immune system. ...
  5. Flex your calves. ...
  6. Stretch everything else. ...
  7. Sleep near the window. ...
  8. Make your own legroom.


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