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  2. Hair analysis - Wikipedia

    en.wikipedia.org/wiki/Hair_analysis

    Chemical hair analysis may be considered for retrospective purposes when blood and urine are no longer expected to contain a particular contaminant, typically three months or less. Its most widely accepted use is in the fields of forensic toxicology, in pre-employment drug testing and, increasingly, in environmental toxicology.

  3. Drug test - Wikipedia

    en.wikipedia.org/wiki/Drug_test

    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 tempering. 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.

  4. Cannabis drug testing - Wikipedia

    en.wikipedia.org/wiki/Cannabis_drug_testing

    Cannabis use is detectable with hair tests and is generally included in the standard hair test. Hair tests generally take the most recent 1.5 inches of growth and use those for testing. That provides a detection period of approximately 90 days. [5] If an individual's hair is shorter than 1.5 inches, this detection period will be shorter.

  5. Forensic toxicology - Wikipedia

    en.wikipedia.org/wiki/Forensic_toxicology

    Testing for drugs in hair is not standard throughout the population. 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.

  6. Psychemedics Corporation - Wikipedia

    en.wikipedia.org/wiki/Psychemedics_Corporation

    Psychemedics’ standard test uses a 1 ½ inch sample of head hair, which provides an approximate 3 month history of drug use. Body hair can also be collected if head hair is not available. [2] Psychemedics hair tests are available in Brazil through the company's independent distributor, Psychemedics Brazil.

  7. Hair analysis (alternative medicine) - Wikipedia

    en.wikipedia.org/wiki/Hair_analysis_(alternative...

    In mainstream scientific usage, hair analysis is the chemical analysis of a hair sample. The use of hair analysis in alternative medicine as a method of investigation to assist alternative diagnosis is controversial [1] [2] and its use in this manner has been opposed repeatedly by the AMA because of its unproven status and its potential for healthcare fraud.

  8. 13 Home Remedies for Allergies That Really Work—and 3 ... - AOL

    www.aol.com/13-home-remedies-allergies-really...

    Coway Airmega. This sleek air purifier uses a four-stage filtration system to pull out larger gunk, deodorize your air, and more to remove up to 99. 97% of particles 0. 3 microns or larger from ...

  9. Evidence packaging - Wikipedia

    en.wikipedia.org/wiki/Evidence_packaging

    Items might include DNA, drugs, hair samples, body parts, blood samples, sperm, knives, vomit, firearms, bullets, fire accelerants, computers, checkbooks, etc. Each police or fire jurisdiction has its own policies and procedures for evidence collection and handling.

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