[post_page_title]How to sniff out a rat[/post_page_title]
Many staff at airports have been trained to analyze and interpret body language. These people are called profilers, and they closely watch your expressions to try and gauge whether you are nervous and trying to hide something.
Many people who fly are nervous, so it is their job to differentiate between those people and the people trying to actually hide something nefarious. They will usually start by asking a few questions, and if they suspect a person is lying, they will subject them to a screening process.
Staying fit is certainly a commitment. Besides doing the physical training, there are some other factors to consider, like nutrition