Marijuana: I assume you are talking about marijuana. Most researchers agree that urine tests for marijuana can detect the presence of the drug in the body for up to 13 days. Regular smokers have reported positive drug test results after 45 days since last use and heavy smokers have reported positive tests 90 days after quitting.
Answered 12/17/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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