by user Don Pesci By Gerald and Natalie Sirkin c2007 A front-page story on PCBs in the Danbury March 9 News-Times is just wrong. The first thing to know about PCBs is that they never killed a single person nor did they ever cause cancer. The second is that although they are invariably called “cancer-causing,” that designation comes chiefly from a single rat study. The fourth, that when the exposed rats were allowed to live out their lives, they had fewer cancers and lived longer than the unexposed rats. Concludes toxicologist Ottobani, __NOEDITSECTION__