The Covid-19 pandemic did not dampen workforce drug testing positivity for marijuana, which continued to increase last year in the general U.S. workforce, according to a new Quest Diagnostics analysis. Based on 7 million-plus urine drug tests collected between January and December 2020, the overall rate was down only slightly in 2020, 4.4 percent, versus 2019, whose 4.5 percent level…
Read MoreFriday, April 19, 2024
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