Tag: marijuana

News

The Wall Street Journal reports rising workplace drug use

June 15, 2015

The Wall Street Journal reports that U.S. workers testing positive for drugs is increasing, citing new data from Quest Diagnostics.

News

Illicit drug test positivity rate increases

June 3, 2015

The percentage of American workers testing positive for illicit drugs has increased for the second consecutive year according to Quest Diagnostics.

News

Workplace drug testing in the era of legal marijuana

May 19, 2015

Thought leaders discussed workplace drug testing in the era of increasing marijuana legalization and published this whitepaper. Read more.

Instant testing

Instant drug testing webinar recap

May 8, 2015

Two experts from Quest Diagnostics presented a webinar about the advantages and limitations of instant drug testing solutions. Read some key points.

News

Series: Assessing drug use trends in the United States – Marijuana

March 27, 2015

Join us over the next several weeks as we use several renowned sources to compare and contrast the latest trends in drug use.

News

Marijuana use associated with increased impulsivity and hostility

March 22, 2015

A recent study conducted by the Yale School of Medicine analyzed the changes in impulsivity and hostility of recreational marijuana users.

Synthetic drugs

Changing perceptions of marijuana and synthetic marijuana

March 5, 2015

High school seniors' perceived risk with occasional marijuana use is declining while they increasingly view synthetic marijuana use as harmful.

News

Introducing Express Results™ Online

February 23, 2015

Quest Diagnostics now offers Express Results Online, an instant urine drug testing solution designed to deliver fast, dependable results.

Hair testing

Detect repetitive drug use with hair testing

February 12, 2015

Hair testing is a method many employers rely on to help identify periodic and habitual drug use by applicants and employees.

News

Dissecting the data

February 11, 2015

Dr. Barry Sample, Quest Diagnostics, pours through the numbers in his DATIA Focus article “Assessing Drug Use Trends in the United States.”