Workplace Positive Marijuana Tests Drop
Which may or may not represent declining use
The percentage of positive drug tests for marijuana in the U.S. general workforce has plummeted by a third in ten years from 2.9 percent to 1.9 percent, the Wall Street Journal reports today. Drug-testing data from one of the biggest U.S. labs, Quest Diagnostics shows positive workplace tests for marijuana have gone down sharply over the last two decades, though "workers may have gotten more sophisticated when it comes to passign drug tests, however, especially for marijuana, as government studies show that its use is rising."
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