In other new research, a study has found that circumcision does not decrease the risk that H.I.V.positive men will infect women.

VOA: special.2009.07.29

"I can say that,anecdotally, virtually all the teachers noticed immediately much more alertness in class, definitely more positive mood.

VOA: special.2010.10.07

Information in a biological passport can help catch athletes who use banned drugs but find ways to avoid testing positive for them.

VOA: special.2011.04.12

In the north London neighborhood of Haringey, some young people are using their energy to do positive things.

VOA: special.2011.08.13

Research has linked participation in sports to positive effects like better self-image, fewer teen pregnancies and higher grades.

VOA: special.2010.03.04

The singer said the testing shows that she is,in her words, borderline positive for the disease.

VOA: special.2010.06.15

Awadi is a Senegalese musician who created the band called Positive Black Soul in nineteen eighty-nine.

VOA: special.2009.10.14

Earlier studies have shown a positive effect of moderate drinking, especially of wine,on heart health.

VOA: special.2009.09.08

"It is a positive sign because it is more commitment from the government.

VOA: special.2011.05.03

Justin says he wants to influence young people in a positive way.

VOA: special.2010.02.26

And that if we want a positive earth for future generations, we all need to make commitments to be change agents so that we don't destruct our natural resources."

VOA: special.2010.01.21

Other presidents who were not terribly popular in their first year and had lots of controversies served two full terms and went out of office in a reasonably positive way."

VOA: special.2010.01.23

Kami is known as the first HIV positive puppet.

VOA: special.2009.11.27

His message was positive instead of angry.

VOA: special.2010.05.16