Two studies showed ways in which anti-H.I.V.drugs could permit infected women to breastfeed their newborns with less risk of passing the virus to them.

VOA: special.2009.07.29

The question is if women have less abdominal obesity, why would you find this elevated risk in women?

他提的问题是如果女性比较少患腹部肥胖,为什么在这里女性的患病风险比较高

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"Women who had their ovaries removed had a decrease in the risk of breast cancer, a decrease in the risk of ovarian cancer and,in addition,they were less likely to die of breast cancer, less likely to die of ovarian cancer and also had an improvement in their overall survival."

VOA: special.2010.09.22

"This was the 40 percent decrease in risk. We did not observe an association for drinking three cups or less per day."

VOA: standard.2010.06.30

"Whenever a country imposes rules on business that hurts the business that makes it less appealing to consumers, there's a risk that,first of all, the businesses that do operate in the country will suffer.

VOA: standard.2010.08.02

In the study,patients who received lower doses of steroids by mouth spent less time in the hospital, and their risk of side effects such as glaucoma, high blood pressure and edema, or swelling in the legs, was reduced.

VOA: standard.2010.06.21

But central to the debate going on in Britain is the very credibility of the Afghan government as more and more question whether British lives should be put at risk in support of what is seen as a less than clean Hamid Karzai government.

VOA: standard.2009.11.04