Scary, isn't it, how benignly we regarded radiation at the time. I broke a metatarsal dropping from the top of the jungle gym in the first grade when the recess bell rang. The primitive x-rays of the time showed nothing. After I limped for six weeks, my parents took me to old Dr. Sherrill, the first orthopedist in Birmingham. I wore orthopedic shoes through the sixth grade, high-top brown leather, which marked me psychologically for the rest of my life. Every month, I had to go down to be refitted. They did it by sticking my foot into what amounted to a fluoroscope over and over and having me wiggle my foot. There is no telling how many rem I've absorbed over the years, beginning then...