Studies support the theory that there are several causes, instead of a single environmental cause or genetic problem.

VOA: special.2009.01.06

The studies also appear to show that environmental causes such as viruses or bacteria may be involved.

VOA: special.2009.01.06

But he says studies have not clearly shown that lowering salt means fewer heart attacks or strokes.

VOA: special.2010.03.03

Studies have found that nicotine can be as difficult to resist as alcohol or the drug cocaine.

VOA: special.2010.03.09

Earlier animal studies showed that emotional or mental tension around birth affects methylation of the genes.

VOA: special.2009.11.24

Other studies also note possible health effects from curry, a seasoning or sauce.

VOA: special.2009.05.19

Recent studies say four hundred or more people died that night.

VOA: special.2009.11.11

Studies show a link between time on a computer or in front of a TV and obesity.

VOA: standard.2010.07.02

When Elaine Fuchs began her undergraduate studies, there were very few women in the sciences, and their work was rarely encouraged or recognized.

VOA: standard.2010.03.29

India's literacy rate is 64 percent. But studies have shown that a number of those counted as literate can barely read or write.

VOA: standard.2010.04.01

Buckley isn't an archaeologist. He studies tree rings, which record the growth history of trees that can be hundreds of years old, or even older.

VOA: standard.2010.04.05

Many studies also suggest that ulcers or polyps may stimulate the growth of cancer cells.

VOA: standard.2010.05.12

Studies indicate up to in Britain are diagnosed incorrectly or have ailments that are overlooked.

VOA: standard.2009.09.24

Last year alone, colleges and universities across the country created more than 100 major or minor programs in energy,sustainability, environmental studies and other so-called green subjects.

VOA: standard.2010.04.22

Some studies have warned that half-a-million people - or about 10% of the population - will be living with HIV and AIDS by the year 2025.

VOA: standard.2009.04.04

But a new study finds that many schools across the United States are not doing enough to motivate or prepare students to pursue bioscience studies in college.

VOA: standard.2009.11.25

Or was Amiri actually free and safe, pursuing studies in the U.S.

VOA: standard.2010.07.13

Inspite of several ground breaking studies on autism, there is no single treatment or cure, although experts say certain therapies and educational approaches reduce the challenges associated with the condition.

VOA: standard.2010.03.23

"I really know many people who were waiting for these results and they were thinking: if the opposition wins, I will stay in this country and try to continue my business or my studies.

VOA: standard.2009.08.29

Whereas a lot of studies are limited to basically asking, 'Did you have a fever in the last month or six months?'" Sarah Olson's study appears in the July issue of the journal Emerging Infectious Diseases, which is published by the U.S.Centers for Disease Control and Prevention.

VOA: standard.2010.06.17