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Drug testing is the process of screening one's urine (urinalysis), hair, or other parts that would reveal the use of illegal substances. It is often used in corporations and jobs involving the use of machinery. For years now, people have been taking drug tests ....

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.... are often accused of taking away employees' rights. Though a place of work is not exactly a democracy, it is true to an extent. The rights of American citizens include something called probable cause. In the United States Constitution, it is stated that no one shall have their privacy invaded without a warrant issued by a law official. Some argue that by being forced to take drug tests they are denied this right. However, staying at a job that makes its employees take random drug tests is completely voluntary. Since the drug market didn't really erupt until the early nineteen sixties, drug tests weren't used very oft until that time. Wit ....