I've always been fascinated by this as well. I've know several Cardiothoracic surgeons who were heavy smokers. Same thing with nurses. You'd think if anybody w

I've always been fascinated by this as well. I've know several Cardiothoracic surgeons who were heavy smokers. Same thing with nurses. You'd think if anybody would know first hand the dangers of smoking it would be these folks, but nope, they all still smoked heavily regardless.