Tag: positive drug test

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.

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

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