A hair strand drug test screens for illicit drug use and the misuse of prescription medication. Though commonly called a “hair follicle test ... of the hair specimen may result in the ...

In a Gwinnett County juvenile court, Good argued the hair-follicle testing by the two companies can result in false positives. She also alleged improper handling of the specimens and inadequate ...

Hair color is determined by melanocyte stem cells that multiply inside hair follicles, previous research has shown. These stem cells get signals to mature and make proteins that produce hair color.

What a hair-brained scheme. A Long Island man’s plot to beat a court-ordered hair-follicle test nearly landed him 90 days in the slammer. Roberto De Paz’s close shave first unfolded last July ...

While the Federal Motor Carrier Safety Administration cannot grant an exemption regarding hair follicle drug testing until further action is taken by the U.S. Department of Health and Human ...

Philippine Drug Enforcement Agency officials monitor the random drug testing among bus driver and conductors at a bus station in Cubao, Quezon City on October 28, 2018. Jire Carreon, ABS-CBN News ...