Add Yahoo as a preferred source to see more of our stories on Google. Revised guidelines for drug-testing hair scheduled for publishing next year. (Photo: Jim Allen/FreightWaves) WASHINGTON — The U.S.

Marie Law, Director of Toxicology at AlphaBiolabs, examines the role of cut-off levels, and the wider range of factors that ...

Jordan Laferty, of Somerset, is on probation for five years after testing positive for amphetamine and methamphetamine.

Jordan Laferty was twice treated for alcohol and meth use disorders. He must abstain from mood-altering substances and undergo drug tests.

A suburban Chicago high school is introducing a new kind of test for its students this fall – mandatory alcohol testing. St. Viator High School in Arlington Heights, Ill., plans on using hair samples ...

The field of alcohol and drug abuse testing is rapidly evolving, with new drugs continually emerging and new methods for their accurate detection and quantification continuing to be required. Dr. Olof ...