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A member asked:
How long does marijuana stay in the hair follicles?
2 doctors weighed in across 2 answers
Possibly for: Months. ' hair tests are more likely to detect regular than occasional marijuana use. One study found that 85% of daily users tested positive for marijuana, versus 52% of occasional smokers (1-5 times per week).' per 'pharmacokinetics of cannabinoids' by mcgilveray ij. .
Answered 5/1/2016
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Depends.: If you are a regular user, it can be detected up to 3 months.
Answered 7/17/2015
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