Health committee  From our perspective, if it comes through one of our laboratories, it has to be attached with criminal activity. The sale of joints within the high schools would be more possession for purpose of trafficking. Then Health Canada's labs do the analysis for those. Unless it was at

Health committee  Polydrug use is one of the biggest challenges for most of our drivers on the road. It's very rare in samples that come through my laboratory section in toxicology that we see an individual drug. There are generally two or three different drugs involved in the samples that come th

Health committee  Our job is to enforce the legislation in place.

Health committee  The challenge with cannabis or with THC in trying to determine an impairment level is the unique pharmacokinetics that cannabis shows in a person's body. It takes time for marijuana to be eliminated from the body. Even after they are no longer being impaired by the marijuana, the

Health committee  That is correct.

Health committee  The studies that have been done when we're looking at actual driving studies, or we're looking at laboratory studies of the impairment effects of cannabis demonstrate that the impairment of driving skills lasts approximately two to four hours after the ingestion of cannabis. At t

Health committee  The drug recognition expert program is designed because of the fact that we do not have roadside testing devices or the black boxes that everyone is looking for when we deal with other drugs. When an evaluator goes through the evaluation process with a subject under the influence

Health committee  They've generally been arrested at that point because there's the suspicion that there are drugs in the body. An evaluation is then demanded, and then they're brought in to have the evaluation done.

Health committee  That depends on what brought them to the attention of the officer in the first place.