When it comes to flying , there are plenty of health concerns to look out for . Due to the lack of cabin air humidity , dehydration and swelling are common . The most important thing is that you don't get sick on a flight.
When it comes to flying , there are plenty of health concerns to look out for . Due to the lack of cabin air humidity , dehydration and swelling are common . Cosmic radiation is also higher when in flight and closer to the North Pole .