Japan has a high population density, fierce competition, frequent natural disasters such as earthquakes and abnormal cultures such as suicide, but it is the country with the longest life expectancy. Why? Frequent natural disasters such as earthquakes are natural causes and belong to objective factors.

It is very incorrect for abnormal cultures such as suicide to prevail. What you saw in China is not comprehensive.

The Japanese diet is mainly light, paying attention to the nutrition and health of the diet, so a people who eat and drink like China will not adapt when they first go.

At the same time, the Japanese yearn for nature, and the environmental quality in Japan is quite good.

These are the reasons why Japanese people live longer.