 And that level of toxins interferes with the quality of the heart muscle. And so we want to, as we're detoxing, we can measure your progress and see how different body systems are improving simultaneously as we're getting these detoxes out. So typically, people will come in. They'll do the two-part appointment. First, they'll bring their first morning urine in. They'll spit in a cup. We'll prick their finger and get a drop of blood.