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
Dr. Randy Baker answered

Specializes in Holistic Medicine

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

2.6k views

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