A hair strand drug test screens for illicit drug use and the misuse of prescription medication. Though commonly called a “hair follicle test,” this drug test only tests clipped strands of hair, not ...

The Department of Health and Human Services on Sept. 8 announced its long-delayed proposed mandatory guidelines to allow employers to drug test truck drivers and other federal workers for ...

The Substance Abuse and Mental Health Services Administration (SAMHSA), U.S. Department of Health and Human Services (DHHS), proposed scientific and technical guidelines for hair drug testing in ...

Hair follicle drug tests involve removing a small hair sample for laboratory testing. Results can show if a person has been using certain drugs or prescription medications in the previous 3 months. It ...

Fleets that have implemented hair testing for illegal drugs in addition to the DOT-mandated urine testing for commercial truck drivers say not only is it the right thing to do, but it also offers ...