let's talk more with dr stacy hale a medical toxicologist. she joins us from dallas. pleasure to have you with us. what do you think about what the clinic in canada is doing, is it doing the right thing administering heroin? >> well i guess you are right when you say it depends ou you look at it and who you ask. the greatest morbidity and mortality associated with heroin addiction and opiate addiction is where you'll get the next fix. it's a life of crime and prostitution, and a revolving door through emergency apartments through overdosing and law enforce. problems. so the idea in administering heroin really med don is not getting rid of the addiction, but getting rid of the horrific lifestyle that goes along with the addiction. >> so the argument is that there are all sorts of benefits that drug users, by having the stability at a clinic have time to get counselling, find housing and work. do you think it could function in that way, that it could stablilize their lives? >> well it certainly could. understand that when someone is on methadone, they are still an addic