 Parkinson's disease or something like that. So you want to get that I-26 in there. All right, Tom's got another text or tweet for you, Doc. What do you have, Thomas? Hey, Doc, this is from Darius in South Carolina. Is there anything to take that can rebuild cartilage? Oh, yeah. That was one of the first things I did. I was working with Theo Ratliff, a great basketball player. He didn't want to have his knees replaced because it would be the end of his career. And to make a long story short, one of his teammates brought him to me