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2. Hair analysis - Wikipedia

   en.wikipedia.org/wiki/Hair_analysis

   The advantages of hair analysis include the non-invasiveness, low cost, and the ability to measure a large number of, potentially interacting, toxic and biologically essential elements. Hence, head hair analysis is increasingly being used as a preliminary test to see whether individuals have absorbed poisons linked to behavioral or health problems.

3. 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.

4. Psychemedics Corporation - Wikipedia

   en.wikipedia.org/wiki/Psychemedics_Corporation

   In 2013, Psychemedics Corporation began offering hair based alcohol Ethyl glucuronide testing. This testing was previously attempted by laboratories in the United Kingdom, but has suffered from numerous lawsuits. Due to the concerns of legal risk, few laboratories offer this type of testing anymore, as they deem it unreliable and unsupportable. [6]

5. Psychemedics Corporation Launches New Ketamine Hair Testing ...

   lite.aol.com/tech/story/0022/20240829/9222045.htm

   Psychemedics Corporation is a leading global provider of innovative hair testing for drugs of abuse. With a commitment to accuracy and reliability, the company offers cutting-edge drug testing solutions. Psychemedics Corporation is dedicated to providing valuable insights and maintaining the highest standards in substance abuse testing.

6. 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.

7. Drug test - Wikipedia

   en.wikipedia.org/wiki/Drug_test

   A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.