Students of a Texas school district must drug tests before they are allowed to take part in certain extracurricular activities.

Drug use by the U.S. workforce increased each year -- and by double-digits over two years -- between 2015 and 2017, in five of 16 major U.S. industry sectors analyzed.

The analysis of 2017 data suggests shifting patterns of drug use, with cocaine and amphetamines positivity surging in some areas of the county and marijuana positivity rising sharply in states with newer recreational use statutes. Prescription opiate positivity rates declined dramatically on a national basis.

The chief executive of German airline Lufthansa says unannounced tests to check pilots for prescription drugs might help improve air safety.

Organizations in the US that tested employees for drugs saw a 9.3% jump in the number of positive drug tests for illicit drugs in the general workforce.

According to an updated policy statement from the American Academy of Pediatrics, school-based “suspicionless” drug testing does little to help identify kids who use drugs and get them into treatment programs.

The 2014 HireRight Small Business Spotlight, indicates that employment screening is becoming more and more critical for small businesses, as they may fall victim to some common, but potentially significant screening mistakes.

Many schools employ drug testing to deter illegal substance use by students, but new research from Counsel and Heal has revealed that these checks fail to dissuade teens from trying drugs, Fox News reports.

Drug use among American workers declined dramatically over the past 25 years, although the rate of positive test results for certain drugs, including amphetamine and opiates, continues to climb.