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  2. 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.

  3. Duquenois–Levine reagent - Wikipedia

    en.wikipedia.org/wiki/Duquenois–Levine_reagent

    The authors themselves reported that the D–L test gave false positives, but declared the D–L test confirmatory when combined with the presence of cystolithic hairs, which marijuana plants possess. However, many plant species have such hairs, and the study only confirmed that 82 of them did not give D–L test false positives.

  4. Hair analysis - Wikipedia

    en.wikipedia.org/wiki/Hair_analysis

    Hair analysis may refer to the chemical analysis of a hair sample, but can also refer to microscopic analysis or comparison. 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.

  5. Guess What? Finding Hair In Food Isn't That Bad For You - AOL

    www.aol.com/food/guess-what-finding-hair-food...

    Finding hair in food is easily one of the most unappetizing sights to behold during a meal. However, while finding a strange strand of hair in the spaghetti seems icky, it is incredibly unlikely ...

  6. Trichome - Wikipedia

    en.wikipedia.org/wiki/Trichome

    Sticky trichomes of a carnivorous plant, Drosera capensis with a trapped insect, contain proteolytic enzymes Glandular trichomes on Cannabis, rich in cannabinoids Trichomes on the surface of a Solanum scabrum leaf Trichomes on the petiole of a Solanum quitoense leaf Antirrhinum majus buds with glandular hairs Scanning electron micrograph of a trichome on a leaf of Arabidopsis thaliana; the ...

  7. 12 Best Vitamins for Hair Growth - AOL

    www.aol.com/12-best-vitamins-hair-growth...

    3. Folic Acid. Folic acid is a synthetic form of folate, a B vitamin found naturally in many foods. If you eat lots of dark leafy greens (like broccoli, spinach and asparagus), beans, nuts, seeds ...

  8. 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.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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