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Drug testing can be performed on someone with a very easy way for example through your body parts such as nails, saliva, blood, urine, or hair. For blood samples, a small amount of blood taken from veins in the arms or hands and then sent to a laboratory for analysis. For urine samples, you will be asked to urinate into a clean container provided to you. In some cases, you may need to provide a sample of your urine in the presence of a nurse or technician to ensure that the sample did indeed come from you. For hair drug testing, taken a few strands of hair from your head was sent to a laboratory for analysis. Such is the way the test drugs on a person's body