Kansas University Medical Center

There are certain things that can happen that are the equivalent of the Bat Signal to me; that is, if you can swallow the idea of me being in any way like Bruce Wayne. Call them the Cancer Signal, if you will. When I see the Cancer Signal, I know that I have to head down to the Cancer Cave—wait a minute, that doesn't sound right. Scratch that. In any caes, there are certain studies or stories that basically demand my attention and say, "Blog me, Orac! Blog me right now!!!" Either that, or they're studies that capture my readers' attention, leading them to e-mail me or Tweet at me plaintive…