The Japanese usually live for years. The treatment reduced the death toll, such as the Japanese longevity was due to several things.
It was, on average, 80 years of Japanese men and women live an average of 86 years. Even in Japan, the most advanced in the world in terms of the number of centuries-old human. Why do so many years of research and study of life expectancy in Japan, it said.
The average life span of more than a few things have come up, which has helped us to penetrate the mystery.