Doing Drugs

The Friday File: The percentage of employees testing positive for drug use in 2014 was 3.9%, up from 3.7% in 2013. Prior to 2013, drug use had declined nearly every year from a high of 13.6% in 1988 to a low of 3.5% in 2012. The rise mirrors population-wide increasing drug use from 8.7% in 2011 to 9.2% in 2012 and 9.4% in 2013. Amphetamine use is up sharply.