A member asked:

I am not a regular marijuana user. i spoke 2-3 puffs of weed in late de 2013, not smart.have a hair testing coming up. what is probability of passing?

A doctor has provided 1 answer
Dr. Pamela Pappas answered

Specializes in Psychiatry

Hard to know: Thc may be detected in hair follicles for 90 days after last use. Calculate your dates from that information, and it will be your best guess.

Answered 4/16/2016

4.4k views

Thank

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