20 Things You Should Never Do on an Airplane

Don’t turn off the air vent over your seat

If the air blowing makes you chilly, it might be smarter to throw on a sweatshirt rather than turn off the vent. Doctors recommend that the adjustable air over your seat should be set to medium or high in flight so that any airborne germs can be blown away before they enter your personal zone. These tips can help protect your skin on a plane so it doesn't dry out.