In the world we all live in today there are many reasons one may encounter a drug test. Without doubt you know someone who has had a drug test for one reason or another as many of us do. The purpose of this article will be to discuss different ways a person prepares for a drug test when they are attempting to pass it, knowing they may test positive for an illicit substance. This article is not meant to discuss the validity of reasons for testing or the morality of attempting to alter the results in any way.  

Drug testing is considered by most to have been invented by Manfred Donike, back in 1966. Since drug tests have been around for such a long time, methods to cheat these tests have been around for some time as well. In order to better understand how a person can pass a drug test we need to explore how the drugs are detected in the first place.