This is one: of the issues with hair testing that makes it difficult to interpret accurately. If your hair is long it would be contained towards the ends of the strands and would continue to be positive indefinitely unless you had a significantly shorter haircut.
Answered 6/18/2014
4k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question