Female child can delay aging?

Although the mother is a very valuable experience, but most of the mother does not think that sleepless nights and temper is conducive to anti-aging. However, a recent study published in the PLoSONE shows that the more women born to women, the slower the aging rate. Researchers have found that women with more children have longer hairs than women with fewer children.

human aging. Telomere is the "hat" structure at the end of each DNA strand that protects our chromosomes from damage. Once the cells are split once, telomeres are shortened until the telomeres are depleted, and the cells stop dividing, close to death, that is, telomere length determines the length of human life. Recently, some researchers found that successful birth of several babies of women, the body of cells in the telomerase longer, faster aging. Previous animal studies supported the correctness of the theory of "life history", suggesting that higher reproductive behavior is associated with faster biological aging. However, in the latest study, Pablo Nepomnaschy and Cindy Barha refute this theory.

Each child can increase the length of some telomeres

The researchers included a total of 75 Kaka Kui Maya women, assessing the number of children born between subjects between 2000 and 2013. In the initial phase of the 13-year study, the researchers measured the telomere length of these women based on the saliva samples of the subjects. At the end of the study, the telomere length of these women was measured again, but this time through the cheek swab. It was found that in the 13-year study, the female telescence of the surviving offspring was more long and surviving in the offspring. And each child grows more than one child, telomere growth of 0.059 telomeres units. This was the result of the confounding of all the confounding factors that corrected the age of the women, the age at which the first child was born, the age, lifestyle, and household income of the women in 2013. Commenting on their findings, the researchers said: "Our analysis shows that the increase in the number of offspring during the 13-year observational study slows down the rate of telomere shortening, suggesting that in our study, Many children may slow down the rate of cell senescence.

→ Estrogen secretion during pregnancy increases or can be used to explain these findings

Professor Nepo speculated that the increase in estrogen secretion during pregnancy or the reasons for the findings of the study. "Estrogen can play a role like an effective antioxidant, which protects cells against telomeres," he explains. "

In addition, Professor Nepomnaschy said that the social environment may also play a role, the results may also be affected by the local secular culture, because in the local tribe, the stronger the fertility of women, the more the fetus, get the community, friends and relatives The more respect and love. This kind of cultural atmosphere may be the real cause of the local women's metabolic ability, the slower the aging rate. Professor Nepomnaschy added: "more support can increase the metabolic energy that can be allocated to the organization to support the process of delaying aging." Finally, the team concluded that future research should explore the association between reproductive and biological aging among women of different races and between different social contexts.