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.

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 ...

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 ...

Proponents of hair-testing for federally required drug testing of truck drivers have had another setback with the denial of a petition to the Federal Motor Carrier Safety Administration ... Or have ...

Boston has settled a decades-old lawsuit over discriminatory hair drug testing for $2.6 million. The test at the heart of the lawsuit was one employed by the Boston Police Department to detect the ...

The American Trucking Associations is continuing its push to allow hair-testing to be used in lieu of urinalysis to detect drug use by CDL driver applicants. In a March 20 letter to Health and Human ...

When the stakes are high, and your future hangs in the balance, the thought of a hair drug test can send shivers down your spine. It's not merely a test. It's a snapshot of your past that could decide ...

BIGBANG’s G-Dragon, who is being suspected of drug use, tested negative for the drug test done on his hair sample. According to Yonhap News on November 20, the National Institute of Forensic Science ...