Last year,a study in the medical journal Neurology found smoking to be an established risk factor in developing the disease.

VOA: special.2010.03.09

In nineteen twelve, he began to study a skin disease that was killing thousands of people in the South.

VOA: special.2011.05.31

Maryse Bouchard says the study found that exposure could play a part in behaviors such as inattention and hyperactivity.

VOA: special.2010.05.26

The study found a big increase in the percentage of married women who earn more money than their husbands.

VOA: special.2010.02.19

Professor Christiano says the next step is to repeat the study in future research, with a larger number of patients.

VOA: special.2011.04.05

But in a recent study they declared that forty percent of the tweets captured over a two-week period were "pointless babble."

VOA: special.2009.09.14

Others disagree and point to a study just published in the Journal of the American Academy of Child and Adolescent Psychiatry.

VOA: special.2009.08.07

Geographers from three American colleges did a study that will appear in the Proceedings of the National Academy of Sciences.

VOA: special.2010.03.23

Last week, a study was released about a new treatment that combines five medicines for heart disease in one pill.

VOA: special.2009.04.08

Then, he finished a study program in non-profit management because he wanted to do something different with his life.

VOA: special.2009.01.28

You would think that all the scientists who took part in a research study would be listed as authors.

VOA: special.2009.10.08

Secretary Gates said he has launched a year-long study of the possible effects of a change in the law.

VOA: special.2010.02.06

And many have. Yet now comes a study showing an increase in the number of injuries in "phys ed" class.

VOA: special.2009.08.06

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