Doctors often use urine tests to make sure patients taking medication for opioid addiction are sticking with treatment. A new study suggests they may be missing some cheaters. Nearly 8% of these ...

FILE - This July 23, 2018 file photo shows packets of buprenorphine, a drug used to control heroin and opioid cravings, in Greenfield, Mass. Doctors often use urine tests to make sure patients taking ...

In the highest rate in more than 30 years of annual reporting, the percentage of employees in the general U.S. workforce whose drug test showed signs of tampering increased by more than six-fold in ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Doctors often use urine tests to make sure ...