When you were a kid on Halloween and you came home from trick-or-treating, did your parents check your haul of candy before you could dive in? My dad used to always "check" the number of Reese's Peanut Butter Cups I had, but that's another story altogether. Anyway, for many of us, our parents would check to make sure nothing was unwrapped or suspicious looking, and that there were no razorblades embedded anywhere. The most dangerous thing I ever personally got was a pumpkin-shaped pencil eraser that I'm lucky I didn't choke on, since I usually tried to eat everything I brought home without looking at it, but hey. So, where did this whole idea that our Halloween candy was full of danger come from in the first place?