Today the ever growing world of most people then have up the increasing average life expectancy. Special is in developed countries such as Japan, America, ...the first reason is that the State has given the stable policy was the life of the people. Second, the war ended, people are living in peace. Third, development of medicine industry can cure many different diseases, including serious illness, Wednesday people increasingly focused on her health so when seeing the sick, they will go to the doctor for check-ups so that the disease is detected early and treated in a timely fashion. Thanks for the above reasons that people now have a longer average life expectancy in the developing countries is 60-70 years old while in developed countries the longer than about 70-80 years old.
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