May 16, 2017 Drug use in the American workforce, fueled by illicit drugs, reached the highest positivity rate in 12 years, according to an analysis of more than ten million workforce drug test results released today by Quest Diagnostics (NYSE: DGX), the world’s leading provider of diagnostic information services. The annual Quest Diagnostics Drug Testing…
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Increases in Illicit Drugs, Including Cocaine, Drive Workforce Drug Positivity to Highest Rate in 12 Years



