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

But a new study shows that another treatment may have better results for patients who were not helped by drug therapy.

VOA: special.2010.02.17

A new study suggests that venture capitalists rarely consider the business plan when deciding whether to invest in a new company.

VOA: special.2009.06.26

A new study says women's rights have gained some ground in Arab Gulf states since a similar study completed five years ago.

VOA: special.2009.03.07

Now,a new study shows that it can also reduce a man's risk of getting human papillomavirus, or HPV.

VOA: special.2009.04.01

A new study in the journal Nature has shown some hopeful results from an experimental gel that might protect women from H.I.V.

VOA: special.2009.03.16

In Uganda,a new study has confirmed earlier research linking the spread of sleeping sickness to infected farm animals.

VOA: special.2010.01.04

A new study shows that early treatment greatly reduces the risk that the partner of an infected person will also get infected.

VOA: special.2011.05.18

In a new study, scientists in the United States tested vaccines made with two kinds of inactivated virus.

VOA: special.2010.07.12

And research continues. A new study has shown that aspirin can improve survival in colon cancer patients.

VOA: special.2009.09.01

A new study in West Africa shows how farm irrigation systems powered by the sun can produce more food and money for villagers.

VOA: special.2010.01.11

That was the finding of a new study of cognitive impairment, or a loss in mental abilities.

VOA: special.2010.07.07

A new study has found the strongest evidence yet that smoke-free laws can reduce a major effect of tobacco smoking - heart disease.

VOA: special.2009.01.07

A new study says the weight they gain may increase their diabetes risk in the short term.

VOA: special.2010.01.13

A new study used a computer model to predict how just three grams less a day would affect heart disease in the United States.

VOA: special.2010.01.27

A new study shows that losing your job can increase your risk of developing health problems.

VOA: special.2009.06.09

But a new study from the University of Aberdeen in Scotland found no need to delay.

VOA: special.2010.08.11

Findings from a new study were presented at a recent meeting of the American Psychosomatic Society.

VOA: special.2009.04.15

A new study found better results in four-year-olds who go to bed around the same time every night and sleep at least eleven hours.

VOA: special.2010.06.09

In other health news, a new study compares ways of saving patients with cardiac arrest.

VOA: special.2010.09.15

In a new study, a team examined the medical records of seven thousand hospital patients.

VOA: special.2009.03.18

Last week,we discussed a new study of injuries in physical education classes in American schools.

VOA: special.2009.08.13

A new study examines and compares adult death rates worldwide over the last forty years.

VOA: special.2010.05.05

A new study shows that lead-based paint remains a worldwide threat to public health.

VOA: special.2009.08.31

But a new study suggests that many farmers recognize the value in keeping trees.

VOA: special.2009.09.01

A new study says fewer women in developing nations are dying of pregnancy-related causes.

VOA: special.2010.04.14

But a new study has found that they offer little help in this way.

VOA: special.2009.07.15

Now,a new study suggests that several viruses may act together.

VOA: special.2009.09.22