You thought that wild weekend from months ago was ancient history? Think again. While blood tests only catch drug use from the past few days and urine tests stretch to maybe a few weeks, there’s a ...

The trucking industry’s decade-long push for hair follicle drug testing is reaching a critical inflection point as the Trump administration prepares to address guidelines that have been delayed ...

New research validates a study that almost 300,000 truck drivers would fail a hair test for drug use today, according to The Alliance for Driver Safety and Security, which did the original study and ...

DALLAS, Aug. 29, 2024 (GLOBE NEWSWIRE) -- Psychemedics Corporation (PMD), a global leader in hair testing, is proud to announce the launch of its new ketamine hair testing solution. This innovative ...

Hair analysis could be the key to understanding adolescent drug usage, as a new study uncovers almost double the number of children were found to be using substances than those who admitted to in a US ...

A rule recently proposed by the Substance Abuse and Mental Health Services Administration (SAMHSA) revives the previously rejected idea of using hair tests in drug screening of federal employees and ...

Fifty-one people currently serving sentences in Colorado prisons will have their cases probed by state law enforcement and University of Colorado law school professors for potentially faulty hair ...