Have you ever arrived after a long flight feeling tired, head-achy, and with a sore throat and congested nose?
Have you ever wondered why you drink or eat things, such tomato juice, that you seldom crave for otherwise?
Have you ever had a slight touch of grogginess, dry eyes, and dry skin?
Humidity is too low in the aircraft cabin, especially in First Class and Business Class. Dehydration is a degenerative process. Causing all those symptoms.
Our taste changes and is different in the sky. Taste is taste buds and smell. Even short time exposure to extremely dry air affects the nose and mouth.
Actually up to 80% of what we consider taste is actually derived from smell.
The taste is built up around many very complex co-existing factors.