I am struggling understanding the results of this over the counter drug test. I can't find anywhere that even suggest what a low amount is compared to a high amount. I was reading that Nick Diaz had a pride fight win overturned to a no-contest because he had a THC reading of 175, which is apparently a high reading. Can you explain how it works?

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  • May 3, 2026 at 1:13 pm #34705 Reply
    Barry Neal Cooper
    Keymaster

    [ARCHIVE QUESTION]

    Originally asked in NGB forums:

    May 3, 2026 at 1:49 pm #34810 Reply
    Barry Neal Cooper
    Keymaster

    [ARCHIVE ANSWER]

    The THC metabolites in the blood are measured in nanograms. You can get five nanograms from second-hand smoke of cannabis. Between 10-15 nanograms is enough to make you feel effects as effective dose. Usually, it will be higher than that depending on how much you smoke. It stays in your blood for only about a week, so depending on how much you have smoked and how much you smoke it could change drastically.

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Reply To: I am struggling understanding the results of this over the counter drug test. I can't find anywhere that even suggest what a low amount is compared to a high amount. I was reading that Nick Diaz had a pride fight win overturned to a no-contest because he had a THC reading of 175, which is apparently a high reading. Can you explain how it works?
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