Women in the survey who said they’d given birth to at least one child had telomeres that were about 4 percent shorter, on average, than those of women who’d never given birth. The findings held even after the researchers took into account other factors that could affect telomere length, including the women’s chronological age, body mass index and smoking habits.
在研究中,至少生过一个孩子的女性端粒长度平均比那些未生产过的女性短百分之四。即便研究人员们考虑了其它能影响端粒长度的因素(比如她们的实际年龄、身体质量指数和吸烟习惯),这些发现依旧站得住脚。
These findings suggest that a "history of live birth may be associated with shorter telomeres," the researchers wrote in their abstract, which was presented at the meeting of the American Public Health Association in Denver.
这些发现表明生产史可能与更短的端粒之间存在着联系。该研究的概述在美国公共卫生协会于丹佛市举办的会议上发布。
The study was not designed to determine the reason behind the link, the researchers said. But one hypothesis is that having children increases stress levels, and high stress has been linked with shorter telomeres, the scientists said.
该研究并未探究这一联系背后的原因,但有猜测认为生孩子会增加女性的压力,而高压与更短的端粒有关。
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