It's my understanding that something similar happened with saccharin. Something along the lines of "It can cause cancer...in rats who were force-fed three thousand times a human's expected lifetime consumption of saccharin in a very short period of time."

Not sure. I was under the impression that it was written by somebody who was holding a grudge (he ate at a Chinese place and fell ill later that day) and just decided to be a jerk about it. He found an easy scapegoat.