Estrogen is a known risk factor for certain women.

对一些妇女来说，雌激素是一个确认的危险因素。

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Television viewing is also a known risk factor for children becoming overweight.

看电视，也是一种已知的危险因素，成为儿童超重。

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High blood pressure (hypertension) is a known risk factor for heart disease and stroke.

心脏病、中风这些疾病众所周知的一个高危诱导因素就是高血压。

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But it is known that obesity is a major risk factor in heart disease, diabetes and some cancers.

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Diadexus drew headlines last month when it helped identify what may be a new risk factor in heart disease: a little-known protein produced by the body that can double the risk of heart attacks.

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