"It's a risk factor in a similar way that elevated cholesterol is a risk factor for heart disease."

VOA: standard.2010.03.09

But some foreigners living here say one factor that hurt's South Korea's reputation is the difficulty many international companies have doing business here.

VOA: standard.2009.11.05

In his new book, "The 5-Factor World Diet", he ranks the world's top 10 healthiest nations.

VOA: standard.2010.02.23

In order to attract the rabbit's own stem cells to re-grow the cartilage, channels in the scaffold were filled with a growth factor protein.

VOA: standard.2010.08.11

Columnist David Ignatius agrees with the president's move, saying Pakistan is a key factor in the new strategy,and the pressure on it must be increased.

VOA: standard.2009.12.06

"The main factor is the earthquake's size," "But then there is also the earthquake depth.

VOA: standard.2010.01.13

"I think the situation has improved not just from the arms supply, I think from the people's participation in the area that is the important factor,".

VOA: standard.2009.08.31

And the fact that all of our visas are fingerprint,bio-metric fingerprints based on ensuring that that person's identity is proven is a very important factor in this,".

VOA: standard.2009.12.28

One important factor affecting the water quality is the area's temperature and rainfall, and Hunt's model is set up for the mid-Atlantic region of the United States.

VOA: standard.2010.08.04

"Exposure to tobacco smoke is a risk factor for cardiac disease already in adolescents, and that's why this study supports that children and adolescents need smoke-free environments."

VOA: standard.2010.03.04

The California researchers say a mother's age is not the only risk factor.

VOA: standard.2010.02.10

"But they have to be a little bit careful to overstate that." Both political parties also see the continuing congressional debate on health care reform as a key factor in next year's midterm elections.

VOA: standard.2009.10.23

The paper's authors tried to take into account other factors, but they admit it may not have been entirely possible to quantify differences in, for example,the recipient's health, which can be a big factor in the success of a transplant.

VOA: standard.2010.07.14