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Hair drug testing is a method that can detect drug use over a much longer period of time than saliva, sweat or urine tests. Hair testing is also more robust with respect to tampering. Thus, hair sampling is preferred by the US military [66] and by many large corporations, which are subject to Drug-Free Workplace Act of 1988.
In this context, it has been reliably used to determine compliance with therapeutic drug regimes or to check the accuracy of a witness statement that an illicit drug has not been taken. Hair testing is an increasingly common method of assessment in substance misuse, particularly in legal proceedings, or in any situation where a subject may have ...
Cannabis drug testing describes various drug test methodologies for the use of cannabis in medicine, sport, and law. Cannabis use is highly detectable and can be detected by urinalysis , hair analysis , as well as saliva tests for days or weeks.
The darker and coarser the hair the more drug that will be found in the hair. If two people consumed the same amount of drugs, the person with the darker and coarser hair will have more drug in their hair than the lighter haired person when tested. This raises issues of possible racial bias in substance tests with hair samples. [13]
Hair testing analyzes the hair shaft, rather than body fluids like urine or saliva, to determine whether illegal drugs are present. Compared to analysis of body fluids, hair testing is highly resistant to evasion by adulterating or substituting samples, or by simply abstaining from drug use for a few days.
Hair loss is common with major weight loss Hair loss during a time of stress, whether it is pregnancy, divorce or dramatic weight loss, is extremely common. The condition even has its own name ...
Telogen effluvium and androgenetic alopecia are two common forms of hair loss. One causes temporary hair shedding that’s usually triggered by a specific event, while the other produces permanent ...
Different types of skin and blood testing are available, depending on your symptoms and medical history. “Getting allergy testing helps you recognize your triggers and learn what specific ...
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