Though not infallible, alcohol tests are a dependable way to determine whether someone has consumed alcohol in the past few months. An alcohol hair test can detect whether a person has consumed ...

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 ...

Paralysing ALS (amyotrophic lateral sclerosis) is a rare but devastating neurodegenerative disease that slowly robs people of their ability to move, speak, eat, and eventually breathe. Diagnosis is ...