Workplace Drug Use Declined in 2005,Index Shows

摘要

Driven by a significant decline in the number of positive drug tests for marijuana,workplace drug use in 2005 fell to its lowest level since 1988,according to Quest Diagnostics Inc.'s 2005 Drug Testing Index.The index shows that use of marijuana among all categories of U.S.workers,as measured by positive drug test results,declined by approximately 12 percent from 2004 to 2005.