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A member asked:
I quit smoking weed a few months ago and will have a hair drug test in about six months. will i need to cut my hair shorter to insure negative result?
A doctor has provided 1 answer
Hair Follicle Test: By testing the hair follicle - cannabis use for approximately the last 3 months can be detected. The chemical is encased in shaft.
Answered 2/3/2014
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