Opposition Republican leaders agree on the need to raise the borrowing limit by August second or risk the nation's first default.

VOA: special.2011.07.15

This means you should not risk losing something you have by trying to get more of something you do not have.

VOA: special.2010.06.13

Scientists say an experimental vaccine reduced the risk of infection in human beings by thirty-one percent and was safe.

VOA: special.2009.10.13

Missus Graham had to decide if the paper would publish the stories and risk possible punishment by the government.

VOA: special.2009.04.26

As a result, patients at risk of blockages might be advised by their doctors to take a low-strength aspirin every day.

VOA: special.2009.09.01

Scientists say an experimental vaccine reduced the risk of infection in humans by thirty-one percent and was safe.

VOA: special.2009.09.30

Dangerous mountain paths. And they all risk developing a serious health disorder caused by lack of oxygen.

VOA: special.2010.06.30

And they are advising against travel by children, pregnant women and other groups at highest risk.

VOA: special.2009.11.24

Doctor Yusuf said the single pill, taken once a day, could reduce the average person's risk of heart disease and stroke by about half.

VOA: special.2009.04.08

Women who used the tenofovir gel reduced their risk of HIV infection by thirty-nine percent.

VOA: special.2010.07.21

Because of the risk of flooding, the city is surrounded by protective levees and floodwalls.

VOA: special.2010.01.22

They found that smoking increased the risk of Alzheimers developing by one and seven-tenths percent.

VOA: special.2010.03.09

But it can also increase the risk of soil erosion by rain or wind.

VOA: special.2010.09.28

Bird populations are among those at risk of being poisoned by the oil.

VOA: special.2010.05.04

But the risk increases to about twenty percent by age eighty.

VOA: special.2009.09.15

And,stress increased the risk of falling by about twenty percent.

VOA: special.2009.03.24

"We estimate in WHO that over thirty million lives can be saved in the next ten years by simple measures -- reducing the level of salt by fifteen to twenty percent, reducing the amount of tobacco, and increasing the number of people who are at risk of a heart attack and stroke to be on simple preventive treatment."

VOA: special.2011.05.11

So therefore, these kids are at higher risk for the development of plaque in their arteries as time goes by."

VOA: standard.2010.03.04

The Roll-Back Malaria Campaign is a global initiative aimed at providing preventative methods to everyone in at-risk countries by 2010.

VOA: standard.2009.04.25

"The implications are obvious. The developing world has,by far, the largest pool of people at risk for severe and fatal H1N1 infections."

VOA: standard.2009.05.18

That risk was based on smaller studies." A study on Avandia funded by GlaxoSmithKline published last year, found no increase in heart attacks.

VOA: standard.2010.03.02