“…So what can we do, Dr. Peate, with the grains, or if thinking about how tradition has eaten starches and coped with it? Dennis Burkett, who sort of started the fiber fad about 30 years ago, when he discovered that Africans didn't have a very high incidence of bowel and liver cancer and that they tended to have three bowel movements per day, where Americans are more likely to have one or fewer. He said that he thought fiber prevented the retention of the carcinogenic toxins, but he was talking primarily about potatoes,”