You Lose This Much Water On A Flight
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23 April 2024
Flying can be physically uncomfortable for many reasons, and one of the most serious causes of discomfort is dehydration
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According to a study, the human body loses about 8 ounces (236 ml) of water per hour on an aircraft at cruising altitude
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In an average 10 hour flight, men can lose approximately two litres of water and women around 1.6 litres
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This is due to a combination of factors, including the dry air in the cabin and the decrease in humidity
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Commercial airplanes typically maintain humidity levels between 10-20 per cent, which is three times drier than the Sahara desert
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Reduced air pressure also makes the body work harder to absorb oxygen, leading to significant loss of moisture with each breath
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Being seated for extended periods during flights further reduces blood circulation and promotes water retention, causing dehydration
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The Aerospace Medical Association recommends drinking about 0.25 liters of water per hour while on an airplane
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Avoid excessive caffeine and alcohol, keep your face and neck moisturized, use nasal spray and a humidifier
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During long flights, try to stand up, stretch, and walk around the cabin to promote circulation
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