How Does Airplane Travel Affect the Human Body?
Airplane Travel and Blood Oxygen Saturation
Typically, in-cabin air pressure is equivalent to that seen at 5000 to 8000 ft altitude mountains.
Local hypoxia causes vasodilation (decrease in blood pressure) and increased capillary permeability, as well as increased ventilatory effort and heart rate.
Deep venous thrombosis (DVT)
The risk of DVT is not limited to travel by airplane, and long-distance travelers by car, bus or train are also at risk.
The symptoms of DVT include:
Swelling leg or arm
Pain or tenderness
Warm or red skin
https://www.news-medical.net/health/How-Does-Airplane-Travel-Affect-the-Human-Body.aspx
Jet Lag Could Make You Gain Weight, Study Finds
Eran Elinav of the Weizmann Institute of Science told The Telegraph: "These findings provide an explanation for a long-standing and mysterious observation, namely that people with chronically disturbed day-night cycles due to repetitive jet lag or shift work have a tendency to develop obesity and other metabolic complications.
"These surprising findings may enable us to devise preventive treatments for these people to lower their risk for these complications."
Long plane journeys also disrupt our sleep pattern. Previous research has shown lack of sleep can increase hormones that increase a person's appetite - potentially another reason why regular flyers gain extra pounds.
What People Can Do Prevent Weight Gain from Jet Lag
Most people can’t simply stop taking business trips, so they will need to find other ways to combat the effects of jet lag. And no, downing a whole pot of coffee or a bunch of energy drinks is not a good idea. The following are some suggestions to help:
Do your best to sleep on the plane when traveling at night. Cover your eyes with a blindfold or take melatonin to feel sleepy at your normal bedtime.
Do not give in to your increased appetite. Be sure to get enough protein and fiber when you do eat and watch your portions.
Dehydration is common during flights, which can make you feel hungry. Make sure to drink plenty of water while traveling.
Sleep only at night, even if you are tired during the day. When you sleep during the day, you won’t feel tired at night, and that will make it harder on your body to adjust. Wait until it’s nighttime at your destination to go to sleep.
https://jameschristiancosmetics.com/tips-to-avoid-weight-gain-from-jet-lag/
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