Tag: Dr. Barry Sample
Ask the experts: Secondhand marijuana smoke
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.
Challenging the poppy seed defense
A Quest Diagnostics study helps to answer the question: Can eating poppy seeds produce a positive drug test for a job applicant or employee?
Ask the experts: Effects of hair treatments on drug test results
Our scientific expert, Dr. Barry Sample, answers the question: Can products and treatments affect hair drug test results?
Drug use rises again in the American workforce
Drug positivity in 2019 hit a 16-year high in the US workforce, according to the latest Quest Diagnostics Drug Testing Index.
Webinar: COVID-19 and the Workplace
Scientists from Quest Diagnostics presented a webinar called, “Ask the experts: COVID-19 and the Workplace." Watch a recording on-demand.
What you need to know about hair drug testing
Employers choose hair testing to help identify habitual and periodic drug users using its 90-day drug detection window. Get the facts.
New oral fluid guidelines for Federal testing
SAMHSA published scientific and technical guidelines for the inclusion of oral fluid specimens in federal testing. Find out what employers need to know.
Workforce drug positivity increases in more than one-third of U.S. industry sectors examined
One third of U.S. industry sectors experienced year-over-year double-digit increases in workforce drug positivity between 2015 and 2018.
DATIA focus: Drug use in America climbs in customer-facing industries
Drug use by the US workforce increased each year - and by double-digits over 2 years - between 2015 and 2017, in 5 of 16 major US industry sectors analyzed.
Federal drug testing expanded opiate panel impacting positivity
The dangers associated with opioids misuse are likely elevated based on a testing population that includes drivers, pilots, and other safety-sensitive roles.
