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Hair Drug Tests - What Kind Of Drug Test Is It?

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Nowadays, hair drug test is becoming more and more common. This is because of the fact that it is one of the most effective and accurate method in determining whether the person is abusing drugs or not. Unlike blood, saliva and urine drug testing, hair drug tests can detect drug use for a much longer time frame. Drug use detection for months or even years is possible as long as the hair has enough length. Drug tests using the hair may vary, but the most common one is the 3-month history drug test. The hair samples required are at least 3 cm long. Some test would require 1 cm only to more than 3 cm. But no matter how much longer the sample is, it would still be cut into 3 cm sections. This is needed to maintain the hair test’s sensitivity. The best method that determines whether or not the person is able to PASS A HAIR DRUG TEST is to have no signs of drug use. How do they determine it? The answer is pretty simple. When a person uses drugs, the residues or chemicals from the drugs would go to the bloodstream. When the bloodstream enters the scalp, some of the residue or chemicals would remain on the hair follicles. Thus, if the hair grows, it will carry with it the records of drug use. For every half inch, the hair will have a record of 30 days. Thus, cheating in order to pass hair drug test would be an impossible thing to do. In a hair drug testing, the required number of hair strands is 50. Those strands of hair are taken from the crown of the head. 50 strands of hair are little amount compared to the hundreds and thousands of hair strands in a healthy individual. Hair drug tests have many advantages compared to other drug testing methods. The first one is the fact that the drug detection time frame is longer. Collecting the samples is also easy and isn’t invasive. This is the most used test for parolees and probationers because it is easy to monitor whether or not they are still on drugs. When it comes to court cases, this test will hold more merit compared to other tests. Knowing if the individuals pass drug testing will take time. This is due to the fact that 10 days are needed for a complete analysis. This is also an expensive drug test. Considering the advantages, it is still a great option to test for drug use.
Date Added: November 05, 2012 11:43:49 AM
Author: Opal Bartlett