And,it causes ten percent of cardiovascular diseases, like heart disease and stroke.

VOA: special.2010.03.09

Then,when the parasite enters the brain, it causes more serious problems.

VOA: special.2010.04.07

It causes several billion dollars a year in agricultural losses.

VOA: special.2009.11.03

It causes an infection or swelling of the brain.

VOA: special.2009.05.26

Ebola is a hemorrhagic fever.It causes unstoppable bleeding.

VOA: special.2009.02.23

And it causes more than one-fourth of deaths.

VOA: special.2011.01.11

It causes debilitating fevers and is the number one killer of children in Africa.

VOA: standard.2010.04.23

Lee says once a bully begins an attack, it causes a chain reaction.

VOA: standard.2010.03.30

It may have played a part. But this week, officials told Congress they were still investigating the causes of the so-called flash crash.

VOA: special.2010.05.14

But it was Darwin who identified and explained the process, natural selection, that causes life to evolve.

VOA: special.2009.02.25

Stress results when something causes your body to act as if it were being attacked.

VOA: special.2009.03.24

The researchers believe that knowing the causes of loneliness could help in reducing it.

VOA: special.2009.12.22

It also causes bad side effects, some of which can be deadly.

VOA: special.2010.01.04

Scientists don't know what causes it, but besides a genetic predisposition, they are now focusing on environmental exposure, or a combination of the two.

VOA: standard.2010.08.09