you could sell water as a cancer cure. That would be very bad for health outcomes. Well, if all you have to do is compare the patient's health outcome of, say,

you could sell water as a cancer cure. That would be very bad for health outcomes. Well, if all you have to do is compare the patient's health outcome of, say, 3 days with water vs. 3 days without, I am sure you could find a very positive correlation between the two treatment paths.