If several of these conditions are present at the same time, a person's body temperature may rise above safe levels.

VOA: special.2010.07.27

All of these things combined help to improve heart activity, lower blood pressure and cholesterol levels, and reduce bone and muscle loss.

VOA: special.2010.06.08

"And the water here, came in like that,bang." When Katrina hit, water levels exceeded the height and strength of many of these walls.

VOA: special.2010.01.22

These populations, they have no political voice - neither at national or international levels."

VOA: standard.2010.04.05

The number of these attacks and the resulting casualties remained at the 2004 levels though, and as of yet have not rekindled a cycle of ethno-sectarian type violence,".

VOA: standard.2009.03.31

I think we have to use the same techniques that we used effectively against the Mafia here in the United States where you attack these organizations at all levels,"

VOA: standard.2009.10.22

You know,these things happen in all sports at all levels."

VOA: standard.2010.02.15