 So you start to get a calcium buildup in the artery. This is why that coronary artery calcium test is so important to get. We talked about that for the last two weeks. And if you missed those episodes, boy, you need to go download the podcast from iTunes and type in the phrase, ask Dr. Ernst, or go to YouTube, ask Dr. Ernst, or Facebook, ask Dr. Ernst, or Twitter, now X, ask Dr. Ernst, or Instagram, ask Dr. Ernst, or Rubble. You get the idea. Amazon Music, Spotify. Our key, ask Dr. Ernst, unlocks everything.