The researchers disagree with the World Health Organization which says blindness and other vision problems are the leading cause.

VOA: special.2009.12.28

With this latest discovery, the researchers say noise pollution in coral environments raises yet another cause for concern for these organisms.

VOA: special.2010.08.10

President Barack Obama has a plan to deal with a central cause of the economic crisis: America's troubled housing market.

VOA: special.2009.02.20

These urge local officials to balance to risk of flu in their communities with the problems that school dismissals could cause.

VOA: special.2009.08.13

Domoic acid can also cause neurological disorders and death in animals that eat fish poisoned with the neurotoxin.

VOA: special.2011.03.15

But a drop in oxygen levels can cause a health emergency in people with heart or lung problems.

VOA: special.2009.07.14

"After many years of trying to figure out what is going on with the genetic cause of depression, we're still not there yet."

VOA: special.2009.06.24

They say their findings show that even low levels of smoke may cause behavior problems in children with asthma or others at risk.

VOA: special.2009.01.13

They also can interfere with mental ability,make muscles weak and cause pain in the head.

VOA: special.2010.07.27

But Legionella bacteria can cause a form of pneumonia in people with weakened immune systems.

VOA: special.2011.04.06

The cause is a genetic difference that they are born with called an ALDH2 deficiency.

VOA: special.2009.05.13

The tension of stress can interfere with sleep or cause anger or sadness.

VOA: special.2009.03.24

Experts with the Mayo Clinic say drinking too much water can cause hyponatremia.

VOA: special.2011.08.09

The cause is a genetic difference that some people are born with.

VOA: special.2009.06.23

They may cause pulses to quicken but usually they are greeted with nervous laughter and calm evacuations.

VOA: standard.2009.09.07

Max is a 10-year old boy with autism. Recently,his mother called on US lawmakers to allocate more funds to find the cause and a cure.

VOA: standard.2010.08.09

"With the changes in temperature vectors - disease vectors like mosquitoes have been reported to cause malaria in places that had never reported malaria cases,".

VOA: standard.2010.01.02

It's a good thingMama was resting, 'cause the streetswas awful crowded with people lookin'at all the statuesand monuments, and some of them peoplewere loud and pushy.

VOA: standard.other

"just incredible." Hasheem Thabeet led Connecticut with 17 points in a losing cause.

VOA: standard.2009.04.05