Article: Amphetamine use increases in U.S. workforce.

2003 JUN 23 - (NewsRx.com & NewsRx.net) -- The incidence of positive drug test results attributed to amphetamine use increased substantially among general U.S. workforce employees over the last 5 years during a time when amphetamines became more widely accessible, according to the annual Drug Testing Index, released by Quest Diagnostics Incorporated (DGX), a provider of employer drug testing services in the United States.

The Drug Testing Index summarizes the results of workplace drug tests performed by Quest Diagnostics between January and December 2002. The Drug Testing Index examines positivity rates among three major testing populations: federally mandated, ...

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