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A member asked:
How long does it take for hash, marjiuana, to disapear from blood, urine, hair?
A doctor has provided 1 answer
Depends on duration: Of use. Chronic use of marijuana may render urine test positive for up to four weeks. It lasts in the hair for months depending on the length of hair. Hair has to grow out and fall out for the drug to disappear. Any part of the hair that grew during drug use will have the drug.
Answered 12/22/2019
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