摘要: Pancreatic cancer has been on the sharp increase in Japan recent years, rate of being as high for lung and liver cancers. A large scale cohort study pancreatic revealed close associations with cigarette smoking daily meat consumption among many life-style associated risk factors studied. The was observed to be highest when both habits were combined. Their effect practically multiplicative. five year accelerated aging smokers and, combined smoking, had extended approximately 10 years. This somewhat non-specific background considered relevant evaluating reasons such an elevated developing from looked at together more specific biological mechanisms. animal fats years most probable mortality cancer, addition other identified consumption. Further, possible exposure hitherto unidentified chemicals must also considered, suggested by certain occupations chemical production.