In other new research, a study has found that circumcision does not decrease the risk that H.I.V.positive men will infect women.

VOA: special.2009.07.29

But he also said additional research is needed to better understand how the vaccine reduced the risk in those individuals.

VOA: special.2009.10.13

Doctor Wang hopes future research will discover biomarkers that are better able to predict the risk of cardiovascular disease.

VOA: special.2009.07.15

The research also shows circumcision reduces the risk for another common sexually transmitted infection, genital herpes.

VOA: special.2009.04.01

So,essentially we borrow from research in psychology that shows that religion affects believers' moods, happiness and risk-taking attitudes.

VOA: standard.2010.08.05

His research shows that those taking the medications for more than four years have a higher risk of a fracture than people taking the drugs for a short period of time.

VOA: standard.2010.03.14

Dr.Segev says the research snows that men and African-Americans have a slightly higher risk of dying after donation than other groups, but the risk is still small and that it has nothing to do with having only one kidney.

VOA: standard.2010.03.11