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Women with many children, especially more than four or five, may seem older than multiple pregnancies can accelerate cell aging, said a new study.
According to the researchers, there is good evidence to show that more children can increase the risk of certain diseases and shorten their lifespan. Cellular aging was accelerated from six months to two years for each additional pregnancy.
"Our study highlights cellular changes during pregnancy, possibly related to adaptive changes in the mother's immune system as a possible explanation," said Christopher Kuzawa of Northwestern.
For the study, published in the journal Scientific Reports, the team collected data from 3,200 women aged 20 to 22 years, examining two distinct markers of cellular aging, namely telomere length – protection "Telomere length and epigenetic age are cell markers that independently predict mortality, and both appeared to be" older "in women who had more pregnancies in their reproductive history," Calen Ryan adds, "Even after taking into account other factors that affect cell aging, the number of pregnancies is still the highest," added Ryan
. There, the team also found that women who were currently pregnant had cells that looked younger than
predicted.
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