hair drug test

New study indicates false positives possible for hair drug tests

new study from Scientific Reports may have an effect on what kind of drug tests employers choose to use when screening potential employees for marijuana. The study, entitled “Finding cannabinoids in hair does not prove cannabis consumption,” shows that three cannabinoids — tetrahydrocannabinol (THC), 11-nor-9-carboxy-THC (THC-COOH) and tetrahydrocannabinolic acid A (THCA-A) — can be found…

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The facts about hair drug testing

drug testing, hair follicle drug testing is one of the newer and more developed ways to determine whether a potential employee uses illegal substances. For those that don’t know too much about it, here are a few facts. In a hair drug test, a small sample of hair is taken from the subject, and examined…

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