Positive drug tests among US employees just hit a 14-year high — but experts warn marijuana screenings need an overhaul as more states legalize weed
Business Insider -

As more states move to legalize marijuana, employers are starting to rethink pre-employment screenings for drugs.

Urine tests, the most common among employers, do little to prove whether an employee is a habitual marijuana user — and links between positive drug tests and employee performance are weak.

Some experts believe testing for marijuana intoxication should stay in place, particularly in industries that operate heavy machinery, though they agree the type of testing must evolve.


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