POTHOLES – “How can you have people found guilty when they are not impaired?” “Unlike alcohol, there are no proven links between THC blood levels and impairment.” “There is also the question of medicinal users, who would typically have elevated THC levels most or all of the time and many veteran dope smokers would be able to drive with undiminished skills at the rookie THC levels proscribed by C-46 because of their body’s greater tolerance.”

Marijuana will soon be legal in Canada. But a study from a Toronto doctor suggests the risks of pot-impaired drivers are, well, high

Source: Potholes: The new fight over ‘drugged driving’ | The Star