A diet of baked beans helped Neil King to lose 140 pounds in nine months. In fact, since June 2007, he's eaten more than half a ton of them, about 1,500 cans. Prior to dieting, King ate a full English breakfast, which at its heart consists of bacon and eggs and may include sausage, toast, and stewed tomatoes, for lunch, and drank eight pints of lager in the pub after tea. King, from Halstead in Essex, England, made the switch from boozing to beans after being told he was at risk for bowel cancer. And his high fiber diet has...