CSA standard for cannabis impairment coming next year Substance needs to be addressed separately from alcohol due its effect on the brain BY ALEXIA KAPRALOS Cannabis has 100 known phytocannabinoids but around 70 of those are psychoactive, causing the user to feel high. This impairment can include slower reaction times, which is problematic for workers in safety-sensitive positions. REUTERS/Rafael Marchante

2019-05-14