I wonder if that's related to an experience I had recently. A chiropractor friend pulled out some kind of red-LED device and waved it over me during a chance meeting. He was checking on a joint injury from some time ago. I remember looking at the product he was using and thinking, "we could hit up some online suppliers and make you a device that looks at _least_ two decades more advanced than that." But I wouldn't want to improve upon a practice that is giving people the wrong idea about red LEDs. :-)