THC detection times vary by test type, lasting up to 12 hours in blood, 24-48 hours in saliva, up to 30 days in urine (on the longer side with frequent use), and up to 90 days in hair. How long THC ...

A urine test can detect THC for up to 30 days after use. THC is detectable in blood for the shortest time, up to 12 hours, but can stay longer in heavy users. Hair tests show THC use for the longest ...

President Trump’s Executive Order on rescheduling marijuana caps a year of major cannabis law changes. Learn how employers ...

President Donald Trump is expected to sign an executive order Thursday that would reschedule marijuana to a lower drug classification — a move that would ease federal restrictions, though it would not ...