In the child welfare system, the threshold at which a drug test is considered positive varies widely from one jurisdiction to ...

New mothers say they had to undergo devastating investigations after hospitals reported their false positive drug tests to child welfare agencies shortly after they gave birth. This report is ...

A record number of U.S. workers are cheating on employer drug tests by tampering with urine samples or using other means to evade detection, new research shows. The percentage of employees who tried ...