Hormone replacement reduces the risk of heart disease in postmenopausal women, until a huge study finds that it doesn't (and that it raises the risk of breast cancer to boot).

先说激素替代可以减少绝经妇女患心脏疾病的危险，然后经过大量的研究发现完全不是那么回事(反而会增加患乳癌的危险)。

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Measurements of the subjects' heart rates, blood pressure, and stress hormone levels indicated that the stress was indeed getting to them.

对研究个人的心率，血压，和激素压力水平的测量显示他们确实收到了压力。

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And while estrogen was prescribed for decades for these problems, by the late 1990s studies were showing the hormone therapy might actually increase the risk of heart attacks.

尽管数十年来这种疾病都是开雌性激素的药，但是直到20世纪90年代，研究表明雌素疗法实际上增加患心脏病的风险。

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For the next 17 months, the scientists tracked various metrics of emotional well-being, such as heart-rate variability and levels of stress hormone.

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In July, a U.S. government study found that long-term use of one hormone treatment, Prempro, brought with it greater risks of heart disease and breast cancer than doctors had expected.

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