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  • Jul 11, 2012, 04:59 PM
    browerangela34
    How long THC stays in your system
    I haven't smoked in a little under 3 months I'd say... I weigh approx 130 & I'm 5.2... I have a drug screen tomorrow for a job... Do you think I will be okay... I'm not sure what to think really... I've researched different websites & some say that THC can stay in your system up to 2yrs...
  • Jul 11, 2012, 05:46 PM
    DrBill100
    Quote:

    Originally Posted by browerangela34 View Post
    I haven't smoked in a little under 3 months I'd say.... I weigh approx 130 & I'm 5.2... I have a drug screen tomorrow for a job... Do you think I will be okay... I'm not sure what to think really.... I've researched different websites & some say that THC can stay in your system up to 2yrs...

    What type of drug screen, urine, hair?

    The longest that I know of for THC metabolites in urine is 77 days. That was following very heavy chronic use, over a long period. (1)

    Hair testing might detect heavy use for about 90 days, but isn't very effective at picking up infrequent use. (2)

    Goodwin, 2009 Urinary Elimination of 11-Nor-9-carboxy- 9-tetrahydrocannnabinol in Cannabis Users During Continuously Monitored Abstinence

    Huestis, NIH Cannabinoid Concentrations in Hair from Documented Cannabis Users

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