Over the past few years a number of companies have sprouted up offering hair analysis. They advertise drug, allergy, food intolerance and metal exposure assessments, and all you have to do is send in ...

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 ...

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 ...

A university study holds that a survey of the paired pre-employment urine and hair drug screenings of 151,662 truck drivers — of which 12,824 failed the hair test – “can be generalized across the ...

Zero emissions. The road to zero. It seems as if zero has ingrained itself in transportation culture as the ultimate endgame, yet we continue to slowly plod toward a zero tolerance for drugs and ...

Revised guidelines for drug-testing hair scheduled for publishing next year. (Photo: Jim Allen/FreightWaves) WASHINGTON — The U.S. Department of Health and Human Services has again pushed back its ...

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 ...

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 ...

The Department of Health and Human Services announced via the Substance Abuse and Mental Health Services Administration that it’s proposing to establish scientific and technical guidelines for the ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. In the three decades since Florida sent Gerald Delane Murray to death row for murder, ...

Hair samples are one of the most important resources in the forensic analysis of crime scenes, often providing valuable information that can help to lead to the identification of a suspect or victim.

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 ...