Quest Diagnostics says it’s too soon to know whether new laws in some states that permit the recreational use of marijuana have distorted national data about drug use.
Quest Diagnostics says it’s too soon to know whether new laws in some states that permit the recreational use of marijuana have distorted national data about drug use. 2013 file photo from Seattle by Elaine Thompson The Associated Press
Quest Diagnostics says it’s too soon to know whether new laws in some states that permit the recreational use of marijuana have distorted national data about drug use. 2013 file photo from Seattle by Elaine Thompson The Associated Press

More marijuana detected in job screenings

November 09, 2014 5:50 PM