article_snippet: Whether you're suffering from dehydration due to low cabin humidity or suffering from pain in your ear canal during takeoff and landing, everything from oxygen deprivation to inactivity can contribute to passengers feeling unwell in the air.
article_snippet: Everything from dehydration to inactivity can contribute to passengers feeling unwell while in the air .
article_snippet: While bodies are most comfortable at around 50 percent humidity, an aeroplane's cabin humidity can be as low as 10 per cent. 
article_snippet: Naturally, this extreme dryness will only lead to only one inevitable conclusion: a very dehydrated traveller.
article_snippet: Low humidity in cabin air means that passengers should keep diuretic beverages, like alcohol, to a minimum .
highlights_snippet: Due to the lack of cabin air humidity, dehydration and swelling are common .
  