 There's a different type of evaluation. There's reference range, and then there's homeostasis. What is a perfect homeostasis? Because it seems like a lot of doctors just go by those reference ranges. Yes, and that is not what those reference ranges are for. The reference ranges are, you know, the labs aren't there to tell you what the blood work should be. They're just saying, of the people who come in here, 50% of them have this number. I did not know that.