Health committee  There are a number of different surveys that look to measure global use of drugs. There was a survey released by, I believe, UNICEF a number of years ago that put Canada as the top ranked country in terms of youth use. There are other international instruments that look to measur

Health committee  Yes. The different surveys use different methods, but typically it's self-reported use. The surveys would ask if they had used in the last year and the last six months, and then the respondents would volunteer their answer. That's typically how they're done.

Health committee  I'll do my best to answer your question. I'm not familiar with the specific data you're making reference to, but I can talk a bit about the data we have at our fingertips, which inform the position around youth access. One of the Health Canada surveys that Ms. Bogden is referring