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流产和乳腺癌

所属:听力板块 来源:普特英语听力 阅读:2528 次 评论:0 条 [我要评论]  [+我要收藏]

小编摘要:流产会增加女性患乳腺癌风险的观点。这是真的吗?

 Abortion and Breast Cancer


When it comes to certain hot topics, claims about what science has or hasn’t proven tend to be thrown around more in the service of one position or another than anything else.

Somebody may tell you that global warming is absolutely real, for example, and then someone else says it absolutely isn’t. Often it’s hard to know what the real scoop is.

Take abortion, for example. Now, we here at Moment of Science aren’t taking a position on abortion one way or another. What we can do, though, is set the record straight on a particular notion that has been floating around recently: namely, the idea that having an abortion increases a woman’s risk for breast cancer. Is this true?

No, it isn’t. This is the latest word from the National Cancer Institute in Bethesda, Maryland, where in February of 2003 a meeting of researchers, clinicians, and epidemiologists was convened at the behest of Congress to answer this and other questions.


Some initial studies had suggested a link, but more comprehensive studies disagreed. Congress wanted to set the record straight. The NCI looked at all the data and announced: no link.

However, they also announced, having a baby reduces a woman’s risk of breast cancer. Why is that? It isn’t yet known, but the data strongly support a link there–young women who have full term pregnancies are at lower risk.

So let’s say it again. Having an abortion doesn’t increase your cancer risk, but having a baby does decrease it. People on either side of a controversial topic like this probably would like the facts to be a little simpler, but then, mother nature isn’t taking sides.


当谈到某些热点问题时,关于什么是科学已证实的或未证实的那些主张,通常更多的围绕着它服务于哪个岗位而进行。

比如,也许有人会告诉你全球变暖是真的在发生,然后另一些人又会说绝对不可能。通常我们很难弄清楚实情是什么。

用“流产”举个例子吧。现在,我们“科学一刻”关于“流产”没有任何立场。然而,我们能做的就是弄清最近一直流传的一种特定观念的真相,即流产会增加女性患乳腺癌风险的观点。这是真的吗?

不,不是真的。这个观点来自马里兰州贝塞斯达国家癌症研究所。2003年2月,为了解决该疑问及其他疑问,国会召集了研究员,临床医生和流行病学家在此召开了会议。

一些最初的研究表明两者有关联。但是更全面的研究否认了这一观点。国会想弄清真相。国家癌症研究所研究了所有数据后宣布:没有联系。

然而,他们也宣称,生孩子会减少女性患乳腺癌的风险。为什么呢?虽然还不是很清楚,但数据大力支持这种关联——有足月妊娠的年轻女性换乳腺癌的风险较低。

所以让我们重复一遍吧。流产并不会增加患(乳腺)癌的风险,但生孩子却会降低(患乳腺癌)风险。像在这样有争议的话题上,任何一方的人可能都希望事实变得简单些。但是大自然母亲不是某一方。

注释:

set the record straight 澄清问题,弄清真相,纠正误解
breast cancer 乳腺癌
at the behest of 在...命令下

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2011-11-27 21:21 编辑:pliny
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