Lessons in defensive medicine
Scene One: In the late 1930s my younger sister, Judy, employing all the wisdom of a six-year-old, pushed a pebble up her nose. My mother, try as she might, could not extract the pebble. Our newest family member, Janet, and I watched carefully, and for the most part silently. I might have said something like how dumb it was to put a pebble up your nose, but even then I knew that comment would not be helpful.