A weakened immune system“When you travel,” says Dr. Oza, “your usual routines are disrupted. You may not be sleeping as well as you do at home, and your eating habits change when you're away. You may be staying up later, consuming more alcohol and getting less exercise than usual.
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Many of us will pack our bags and enjoy a nice vacation this year, but some people will return home with more than just a souvenir. The most common health issues that people encounter after a trip include:Minor colds. Fevers.
Air pressure is lower at higher altitudes, which means your body takes in less oxygen. Airlines “pressurize” the air in the cabin, but not to sea-level pressures, so there's still less oxygen getting to your body when you fly, which can make you feel drained or even short of breath.