A recent study conducted by Quest Diagnostics found a “slight” increase in American workers testing positive for illegal drug use. Inc. Magazine reports that of the millions tested last year, 4.8 percent of the general workforce had tests resulting in positive results, and 1.8 percent of “safety-sensitive” employees tested positive for illicit drug use. While the drug testing company has attributed part of this increase to improvements in their detection technology, Inc. says 2015 marks the third consecutive year of increased worker positive drug tests. This comes after a 10 year decline ending in 2012.
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