Abstract
The cross-cultural analysis showed the significantly direct relationship between fat intake per capita and average life expectancy in the world. The author and his colleagues found the direct regional difference in further life expectancies according to fat intake among old people. They also confirmed that the elderly with higher fat intake lived longer than throes with low fat intake based on a longitudinal study in a given area. The results obtained in terms of fat intake relating to health outcomes in Western developed countries should not easily extrapolated to Japanese, because the fat intake in Western countries is about two times that in Japan.
