Tag: positive drug test

Ask the Experts

Ask the experts: Secondhand marijuana smoke

May 11, 2021 By

Can you fail a drug test from secondhand smoke? There are no published, peer-reviewed studies to date that indicate someone would test positive on a drug test due to incidental exposure of marijuana smoke. Learn more from Dr. Barry Sample, Quest Diagnostics.

Drug Testing

Pre-employment drug testing

September 10, 2020 By

Pre-employment drug screening, the most common reason for drug testing, takes place as part of the hiring process.

Drug Testing

Aiming for drug-free workplaces

April 28, 2008 By

Whether it is pre-employment testing or a random test, keeping drug users out of your workforce makes sense for many reasons.