20 Things You Should Never Do on an Airplane

Don’t sit in your seat the entire flight

On a plane, you are at a higher risk of developing deep vein thrombosis (DVT), which is a type of blood clot that usually forms in your legs. DVT has been coined as 'economy-class syndrome', and walking around for a few minutes or standing up to stretch are good bets to help prevent it. (Just remember to put your shoes on!)