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Can Hair Drug Test Wrong? [Solved]
Although hair samples undergo a two-step testing process, they are not 100 percent accurate. Factors that can affect the concentration of drug metabolites present in a hair sample can include: the structure of drug compounds. the quantity of drugs a person has consumed.
Hair Follicle Drug Test—Pros & Cons, Myths, and How It Works
David Bell explains what a
How does a hair drug test work?
How
Can certain foods, drinks, and meds cause a false positive on a drug test?
A viewer sent us an email asking if certain foods
