 They do temperature. There's all sorts of crazy tests out there. Totally untrue. Thyroid tests are extremely accurate on the blood test. It's just that they just need to be read correctly. So it's a matter of training on reading the blood tests. The blood tests are accurate. When you have balanced thyroid levels, you are balanced. All the symptoms go away. You feel great. So when you hit the numbers that I say that you're supposed to hit,