And many have. Yet now comes a study showing an increase in the number of injuries in "phys ed" class.

VOA: special.2009.08.06

The United States is preparing for an increase of more than twenty thousand troops there in the coming months.

VOA: special.2009.05.09

Dr. David Hunter says he has not seen an increase in his practice as a pediatric ophthalmologist at Children's Hospital Boston.

VOA: special.2011.08.01

This,he said, will lead to an increase in claims that judges are biased, "however groundless those charges may be."

VOA: special.2009.06.12

In China,some farmers and researchers blame a decrease in pesticide use for an increase in pests unaffected by Bt.

VOA: special.2009.10.27

This leads to an increase in diseases like diarrhea, the second leading cause of death in children under five.

VOA: special.2010.04.05

Some eye care professionals say all that screen time has led to an increase in what they call computer vision syndrome.

VOA: special.2011.08.01

It called for an increase in global efforts in order to reach the goals for ending the worst forms of child labor.

VOA: special.2010.05.17

The Council of Graduate Schools says this followed an increase of six percent last year and nine percent the year before that.

VOA: special.2009.06.11

Signs of climate change include an increase in rain when there used to be only snow, new plant life,and melting ice sheets.

VOA: special.2009.06.03

The organization also calls for an increase in quality health care and an end to harmful traditional practices like female genital cutting.

VOA: special.2010.08.09

He says he does not expect an increase in domestic killings as a result of the economy.

VOA: special.2009.02.28

Earlier research suggested that overfishing was responsible for an increase in damselfish populations in the Caribbean.

VOA: special.2010.08.10

China again sent the second largest number, more than ninety-eight thousand, an increase of twenty-one percent.

VOA: special.2009.11.26

Over the past year, groups that care for homeless people have seen an increase in the number of people in need because of the nation's economic crisis.

VOA: special.2009.01.28

That was an increase of more than forty percent from nineteen ninety-seven.

VOA: special.2009.05.18

He also had approved an increase in the supply of silver money.

VOA: special.2010.06.17

But he does expect an increase in other kinds of abuse.

VOA: special.2009.02.28

That was an increase of nearly two million from nineteen ninety-nine.

VOA: special.2010.04.23

But recently there's been an increase of retaliatory attacks by people on the other side, including a slightly mysterious group called the Invisible Commandos who've been operating against Gbagbo."

VOA: special.2011.04.02

There has also been an increase in water used for industry.

VOA: special.2010.04.05

One is an increase in pregnancies among women over age thirty-five.

VOA: special.2009.10.19