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  • noun Any chemical check for the presence of (usually illegal) drugs in a sample of one's blood, hair or urine.


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  • A drug test is commonly a technical examination of urine, blood, sweat, hair follicles, or oral fluid samples to determine the presence or absence of specified drugs or their metabolized traces.


    See also hair testing

    In my opinion, drug testing has become a serious civil liberties violation as it is required more and more frequently by employers in the United States and with increasingly more invasive techniques for even low-level employment where the outcome of a drug test is largely irrelevant. They are used to marginalize certain elements of the population. Often "insurance regulations" are the justification.

    February 4, 2008