I don't know what the risk is, off the top of my head, but the animal studies that have been done before have certainly shown casual use changes, and this is the first human study, so it's definitely an area that we're looking at. Remember, on casual use, as Mr. Perron said, if you are using cannabis for the first time at 16, and you're a naive user, and you're getting behind the wheel of a car, or you're eating an edible...or vaporizing something, and you're hanging out on a balcony, whether or not that produces a brain change, which comes up in a month or two, really doesn't mean anything if you crash your car or fall off the balcony as a result of that—
On May 6th, 2014. See this statement in context.