 Also, it squeezes the spinal cord. So he came out with a book. It's all in your head because there's over 50 different diseases you get. I'll repeat that. There's over 50 different diseases you get when you get osteoporosis of the skull. And page six has a picture of two skulls. One is a normal one. It's a quarter-inch thick. And the other one's one with osteoporosis of the skull. It's an inch and a half thick. Okay? It's really a very scary picture. These are real skeletons, real skulls.