Are you a frequent flyer?Then it is a possibility that you may know all of the rules of air travel.  Do you?  If so, do you know that air travel rules can vary between airports?  Most travelers, especially those that tend to fly out of the same airports, are unaware that the rules are different. 

Pros and Cons of Air Travel

Dealing with jet lag is quite simple for people who only fly once in a while, possibly just a couple of times a year on vacation or for the odd business trip, but for aircrews and those of us who fly regularly, jet lag often brings various health problems that can become almost permanent.