More and more workers are cheating on drug tests, according to new data from Quest Diagnostics, with tampering rates reaching a 30-year high in 2023. After analyzing nearly 9.8 million workforce drug ...

The numbers show that positive results for both fentanyl and marijuana have doubled since 2020. Tests with both fentanyl and ...

SECAUCUS, N.J., Sept. 2, 2025 /PRNewswire/ -- The percentage of employees in the general U.S. workforce testing positive for fentanyl in random drug tests far exceeded those in pre-employment testing, ...

The rate of substituted or invalid drug tests — an indication of tampering to hide drug use — rose more than six-fold in 2023 versus the prior year, according to a Quest Diagnostics analysis of 9.8 ...

A New Quest Diagnostics health trends report that most primary care physicians fear chronic pain patients will resort to illicit drugs if they don’t have access to prescription opiods. The new report, ...

Quest Diagnostics unveiled a first-to-market blood test available for consumer purchase that detects and measures the level of per- and polyfluorinated alkyl substances (PFAS), a potentially harmful ...

Type "beat the drug test" into an Internet search engine, and you come up with more than 100 Web sites devoted to helping foil workplace drug screening. It's part of a technology race, or as Barry ...

Dublin, Sept. 15, 2025 (GLOBE NEWSWIRE) -- The "United States Drug Abuse Testing Market Trends & Forecast 2025" report has been added to ResearchAndMarkets.com's offering. The United States Drug Abuse ...