When you are tested for drugs, the drugs can be found in your hair and blood. There are three types of tests: hair test, blood test and urine test. The urine test, being the cheapest, is the most common drug test. Some ways to beat this unwanted drug screening is by drinking x-amount of water, this dilutes the drug within your system. The second method is to inform them that you are a user, or that you attend frequent rock concerts. (This method isn't recommended because of the outrageous amount of users you would need in a boxed in area for you to get a high.) Our third step is to load up on poppy seeds, for a false or inaccurate reading. Lastly and most recommended don't do drugs.