The Centers for Disease Control says HEPA filters are effective in clearing the air of many particles that cause disease.

VOA: special.2009.07.14

A new study says the leading cause of disability in older people in low and middle income countries is dementia.

VOA: special.2009.12.28

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

The Centers for Disease Control and Prevention says heart disease is the leading cause of death in the United States.

VOA: special.2010.06.08

The goal of the project is to examine in detail how tornadoes are formed and the kinds of damage they cause.

VOA: special.2010.05.11

The World Health Organization says alcohol abuse is the third leading cause of death and disability in the world.

VOA: special.2011.03.08

We talked last week about a new report on preterm births the leading cause of death in newborn babies worldwide.

VOA: special.2009.10.26

But late blight was also the cause of the potato famine in Ireland in the middle of the eighteen hundreds.

VOA: special.2009.10.20

Late blight was also the cause of the potato famine in Ireland in the middle of the eighteen hundreds.

VOA: special.2009.11.03

The Cleveland Clinic says the cause of cluster headaches is in a brain area known as a trigeminal-autonomic reflex pathway.

VOA: special.2010.03.30

In the United States, smoking rates are down from the past, but cigarettes still cause about one-fifth of all deaths.

VOA: special.2009.05.27

But in cases with a known cause the experts say salmonella is responsible for more than one-third of hospitalizations.

VOA: special.2011.01.11

A recent report in the journal Retrovirology found that xenotropic murine leukemia virus-related virus is not the cause of chronic fatigue syndrome.

VOA: special.2011.01.18

Health experts say cancer will become the leading cause of death in the world by the year 2010.

VOA: special.2009.01.13