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2. Cannabis drug testing - Wikipedia

   en.wikipedia.org/wiki/Cannabis_drug_testing

   The main metabolite excreted in the urine is 11-Nor-9-carboxy-THC, also known as THC-COOH. Most cannabis drug tests yield a positive result when the concentration of THC-COOH in urine exceeds 50 ng/mL. [10] Urine testing is an immunoassay based test on the principle of competitive binding. Drugs which may be present in the urine specimen ...

3. How long does marijuana stay in the system? It depends on ...

   www.aol.com/long-does-marijuana-stay-system...

   But also, be wary of coming drug tests. The 4/20 holiday is this weekend, and if you choose to celebrate, please do so safely. But also, be wary of coming drug tests.

4. Cannabinoid hyperemesis syndrome - Wikipedia

   en.wikipedia.org/wiki/Cannabinoid_hyperemesis...

   A urine drug screen can be useful for objectively determining the presence of cannabinoids in a person's system. [8] Cannabinoid metabolites (specifically 11-nor-Δ9-carboxylic acid) can be detected in urine for about 2 to 8 days with short-term use, and for 14–42 days of chronic use. [24]

5. Drug test - Wikipedia

   en.wikipedia.org/wiki/Drug_test

   Urine drug testing is one of the most common testing methods used. The enzyme-multiplied immune test is the most frequently used urinalysis. Complaints have been made about the relatively high rates of false positives using this test. [18] Urine drug tests screen the urine for the presence of a parent drug or its metabolites.

6. Hemp products are legal where marijuana isn't. Drug tests can ...

   www.aol.com/hemp-products-legal-where-marijuana...

   The test came back positive for marijuana. The company fired Madeline. Now, Madeline has no job, is battling a year-old legal case, and is still managing medical costs from her injuries, according ...

7. Marijuana users found to have lead and another heavy metal in ...

   www.aol.com/news/marijuana-users-found-lead...

   The marijuana users also had 22% higher levels of cadmium in their blood, according to the research, which was published Wednesday in the journal Environmental Health Perspectives. Urine samples ...