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【资讯翻译】Women Who Start Menopause Later More Likely To Live To 90, ...

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发表于 2016-7-29 09:54:37 | 显示全部楼层 |阅读模式
Women Who Start Menopause Later More Likely To Live To 90, University of California, San Diego (UCSD) Study


The number of women living to age 90 in the United States has increased significantly in the past century. Currently estimated at 1.3 million, this demographic is expected to quadruple by 2050. A new study by researchers at University of California San Diego School of Medicine found that women who start menstruation and experience menopause later in life may have increased chances of surviving nine decades.

The study, published online July 27, 2016 in Menopause, is the first to evaluate the association of reproductive factors with survival to a specific advanced age, such as 90 years old.

“Achieving longevity is an overarching public health goal with so many of us asking ‘how do I live longer?’ Our study found that women who started menstruation at age 12 or older, experienced menopause, either naturally or surgically, at age 50 or older and had more than 40 reproductive years had increased odds of living to 90-years-old,” said Aladdin Shadyab, PhD, lead author of the study with the Department of Family Medicine and Public Health at UC San Diego School of Medicine.
Of the approximately 16,000 participants in the racially and ethnically diverse group, 55 percent survived to age 90. The participants were from the Women’s Health Initiative (WHI), a national longitudinal investigation of postmenopausal women, and were followed for 21 years.

“Our team found that women who started menstruation at a later age were less likely to have certain health issues, like coronary heart disease, and those who experienced menopause later in life were more likely to be in excellent health overall, which may be a possible explanation for our findings,” said Shadyab.
Women who started menstruation and experienced menopause at a later age were also less likely to be smokers or have a history of diabetes.

“Factors, such as smoking, can damage the cardiovascular system and ovaries, which can result in earlier menopause. Women with later menopause and a longer reproductive lifespan may have decreased risk of cardiovascular diseases,” said Shadyab.

Shadyab, whose grandfather lived to age 102-years-old and sparked his passion for studying aging, said more studies are needed to examine how lifestyle, genetics and environmental factors may explain the link between reproductive lifespan and longevity.

“This study is just the beginning of looking at factors that can predict a woman’s likelihood of surviving to advanced age,” said Shadyab. “Using my grandfather as inspiration, I am excited to take these results and continue to contribute to the science behind longevity.”

Study co-authors include: Sonia Jain, Andrea LaCroix, UC San Diego; Caroline Macera, Richard Shaffer, Linda Gallo, San Diego State University; Margery Gass, The North American Menopause Society; Molly Waring, University of Massachusetts Medical School; Marcia Stefanick, Stanford University School of Medicine.


信源地址:http://www.biospace.com/News/women-who-start-menopause-later-more-likely-to/427498/source=Featured


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发表于 2016-7-29 10:42:18 | 显示全部楼层
这篇我领了

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发表于 2016-7-30 20:44:39 | 显示全部楼层

女性停经较晚更有可能活到90岁

在上个世纪的美国活到90岁的女性数量显著增加。目前在美国年龄超过90岁的女性数量大概在130万,根据人口学统计预期在2050年达到目前数量的4倍。最近来自加利福尼亚大学圣蒂亚戈分校的研究显示女性开始月经和停经较晚有更高的机会活到90岁。

这项于2016年7月27日发表于《Menopause》杂志的研究首次评价生殖因素同高龄(如90岁)生存之间的相关性。

长寿一直是公共卫生的首要问题,许多人都会问自己“如何让自己更长寿”。来自加利福尼亚大学圣蒂亚戈分校医学院的Aladdin Shadyab博士说:“我们这项研究发现女性在12岁或者更大开始月经、在50岁或者更大绝经(自然或者手术)以及有超过40年的生育年龄大大增加了活到超过90岁的几率。”

在这项研究中有有接近16000名不同人种和民族的参与者,其中55%活到了90岁。这些参与者来一项称为“女性健康倡议”的对绝经女性的国家纵向调查计划,这些参与者被随访21年。

Shadyab博士说:我们的团队发现女性在较晚的年龄开始经期发生健康问题如冠心病的可能性较低。以及那些绝经较晚的妇女总体上的健康水平更佳,这很好的解释了我们的发现。

开始经期较晚以及绝经较晚的女性是吸烟者以及发生糖尿病的可能性也较低。

Shadyab博士说:“吸烟等因素可能损坏心血管系统以及卵巢从而导致绝经更早。女性开始经期较晚以及有更长的生育年龄可以降低发生心脑血管疾病的可能性。”

Shadyab活到102岁的祖父点燃了他研究年龄的激情。Shadyab博士说更多的研究需要去验证生活方式、遗传学以及环境因素可能解释生育年龄同长寿之间的关系。

Shadyab说:“这项研究仅仅是寻找预测女性长寿的一些因素。在祖父的鼓舞下,我将带着这些结果继续发现和研究导致长寿的科学问题。”

该项研究的研究者主要包括: Sonia Jain, Andrea LaCroix, UC San Diego; Caroline Macera, Richard Shaffer, Linda Gallo, San Diego State University; Margery Gass, The North American Menopause Society; Molly Waring, University of Massachusetts Medical School; Marcia Stefanick, Stanford University School of Medicine.

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 楼主| 发表于 2016-8-2 16:20:53 | 显示全部楼层
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