ANSWERS: 1
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A positive test result for THC---short for tetrahydrocannabinol, a compound found in marijuana---can result from ingesting non-steroidal anti-inflammatory drugs such as ibuprofen, fenoprofen and naproxen, as well as the antiretroviral medication efavirenz.
Source:
Legal Match: Failing a Drug Test
More Information:
Drug Detection Laboratories, Inc. : Drug Testing Information
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