The findings came from a study of more than three hundred forty thousand adults living in the United States.

VOA: special.2010.08.03

In December, the publication Social Indicators Research reported on a study of activities that help lead to happy lives.

VOA: special.2009.03.10

The researchers did a study of adult beliefs about the possibility of health risks to children from third-hand smoke.

VOA: special.2009.01.07

In two thousand eight, the Journal of the American Medical Association published a study of unplanned deaths from prescription drugs.

VOA: special.2011.07.19

Recently we told you about a study of genetically engineered crops and how they have affected farming in the United States.

VOA: special.2010.05.18

in nineteen thirty-five. It was a study of the lives of three New Guinea tribes from infancy to adulthood.

VOA: special.2010.01.17

In two thousand eight, scientists reported on a study of cotton grown in six provinces in northern China.

VOA: special.2010.05.25

In December,the journal Social Indicators Research published a study of activities that help lead to happy lives.

VOA: special.2009.02.11

The Journal of the American Medical Association recently published a study of unplanned deaths from prescription drugs.

VOA: special.2009.02.10

We will also tell about a study of one of the world's most unusual-looking animals.

VOA: special.2009.07.07

Last month,researchers reported that an experimental drug improved survival in a study of melanoma patients.

VOA: special.2010.07.06

The American biotechnology industry recently did a study of bioscience education across the country.

VOA: special.2009.10.15

Agriculture Report. Three years ago,a study of overfishing led to sharp debate.

VOA: special.2009.08.11

He recently led a study of nearly nine hundred skin cancer patients.

VOA: special.2010.07.06