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A member asked:
If i have used marijuana one time ever and it was 50 days ago, would it show in a hair drug test?
A doctor has provided 1 answer
Probably not: According to NORML it is "doubtful" that a single usage of marijuana will result in a positive hair test. See http://www.canorml.org/healthfacts/drugtestguide/drugtestdetection.html for more info. Good luck!
Answered 5/3/2016
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