I’ll be explaining why traveling dehydrates you.
Why Does Traveling Dehydrate You?
Traveling dehydrates you because of the low humidity in the air. There’s been studies that confirms this to be true, and checking a few forums that only repeated the claims only adds to the confidence in this answer. And only to add was a few more sites that pointed the issue stemming from flying and experiencing cabin air. One went as far as suggesting it’s most common with composite aircrafts.
Lower Humidity
The CenterForFamilyMedicine says that lower humidity in the air is why you get dehydrated.
Cleveland Clinic Health Essentials says it’s the airplane cabin’s low humidity levels from pulling air from outside in.
A study
The National Institute of Health confirms the clues of dehydration when applying it to a study with athletes.
The opinion of the forums
A Reddit user says it’s because the air’s dry.
They go on to add that it’s because of a phenomenon known as cabin air.
After checking Quora they had a user who says the temperature of the air makes a difference.
4 Reasons you get dehydrated
FlightFud shares a few reasons as to why you get dehydrated:
- Water loss
- Lower Air Pressure
- Extremely low humidity levels
- Decreased Fluid Intake
5 possible reasons you get dehydrated
When I looked at Drink Hydrant they shared 5 reasons you could get dehydrated:
- Long Distance Travel and Airplane Humidity
- Alcohol
- Heat Exposure
- Physical Activity
- Getting sick
The Plane’s Filtration System
Travel and Leisure blames the plane’s air filtration system.
Do you fly composite?
Lonely Planet gets specific in saying it’s the newer composite airplanes that’s the issue.

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