Medical News Today: What to know about hair follicle drug tests


Table of contents What is it? Why is it necessary? During the test Home test Results Accuracy Cost No hair on the head? Urine test Summary Employers, lawyers, and medical professionals are showing increased interest in hair follicle drug tests because they can determine if a person has been using illicit drugs or misusing prescription medications. In this article, we discuss how hair follicle drug tests work, how to use a home kit, and what the results mean.

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