 certification to get takes years. And it encompasses, you know, cardiology, endocrine, pulmonary, you name it. You've got to be good at all kinds of stuff. And let's face it, a lot of my doctors, they don't know anything about this stuff. It's my job as a nurse to figure it out. The average medical doctor gets two hours of college education on nutrition. So one of the things that I do is I'm looking for results. And by using...