Discover low fertility rate can raise the life expectancy

Discover, low fertility rate can raise the life expectancy
From learning at aged health International studies of China held in Peking University recently, population old man's healthy influence factor long-lived discover that research institute finish together one advanced age by the intersection of China and aged the intersection of scientific research and centre and Peking University, birth of people it ranks to be long-lived influence factor one of, until age of people raise low fetus time rank advantage to be the more prominent. In siblings, rank " the eldest " Probabilities long-lived the highest,the sister in law one be ranked according to this decreasing progressively at the same time probabilities long-lived. This research results indicate, the low fertility rate of our country will become the important factor that old people's life expectancy of future will be improved. It is studied with the macrobiotic influence factor, carry on in the old man over ten thousand 80 of our country at advanced age that this is healthy. Among them there are 25000 old men over one hundred; Study and involve old man's having siblings who ranks information completely to reach more than 30,000 people. So large-scale to advanced age old man's good health and a long life situation is studied, it is still the first time since the dawn of human civilization in our country. Study to find there are close relations in colony and the parents' age and fetus time when being born in at advanced age of our country for the first time. Data reveal the same will rank proportion of total number 80 year old and old man the above rank, compared with each ranking the old man at 80 years old, its macrobiotic probability has the tendency to reduce with increase once of fetus; The old man is based on age group at advanced age, obviously reveal the higher, low the age group is, the larger the proportion once of fetus is, the more prominent one, two child macrobiotic advantages are, every age group preface ranks the advantage and keeps rising in the ladder. In one hundred year old and above old man, rank advantage to be high to up to 69%. Study, find old man to relate to mother's childbearing age advanced age still, crowd in the intersection of his mother and 20 years old to 29 years old the intersection of age bracket and birth 71% more than advanced age. " old newspaper of Tianjin "

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