Things you should never do on an airplane
Don't drink soda: An increase in altitude may cause intestinal gas to expand up to 30%, so you might want to avoid consuming sodas.
Don't use the blankets and pillows: Shockingly, those offered blankets and pillows don't get a thorough cleaning between flights.
Don't sit your entire flight: On an airplane, you're at a higher risk to develop deep vein thrombosis (DVT), which is a type of blood clot.
Don't wear contact lenses: Opt to wear glasses in flight.
Don’t walk around barefoot: Walking around barefoot on a flight is definitely a no-no, as the floor is full of germs, especially in the bathroom.
Don't neglect your skincare: One study found that pilots flying for an hour got the same amount of radiation as if they had spent 20 minutes.
Don’t fall asleep against the window/wall: You have no idea how many people have leaned against that wall.
Don’t turn off the air vent over your seat: It's recommended that the adjustable air over your seat should be set to medium or high.
Don’t try to cut the line when you’re disembarking: It's understandable that you want to get off the plane as quickly as possible.
Don’t touch the flush button in the bathroom: The bathroom is a major place where germs hide out. To protect yourself