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

One-third of those asked said stress levels about their financial situation are much higher now than a year ago.

VOA: special.2010.10.12

A published report says the genetic changes could be linked to stress levels during this method of giving birth.

VOA: special.2009.11.24

The four levels of rooms center on a beautiful courtyard with a glass ceiling to let light shine in.

VOA: special.2009.01.11

It enables the user to control the speed and sound levels of orchestral music playing on a computer.

VOA: special.2011.05.11

As a result,those babies can have higher stress levels than those born without the help of the operation.

VOA: special.2009.11.24

But a drop in oxygen levels can cause a health emergency in people with heart or lung problems.

VOA: special.2009.07.14

Researchers at the University of Western Ontario carried out a similar study involving levels of cortisol in hair.

VOA: special.2010.10.12

The researchers said the hair cortisol levels were a better predictor of heart attack than established risk factors like high blood pressure.

VOA: special.2010.10.12

But less trust in the euro has reduced its value to the lowest levels in over a year.

VOA: special.2010.05.07

Public theaters during this time were usually three floor levels high and were built around a stage area where the actors performed.

VOA: special.2010.01.06

The researchers compared cotinine levels to behavioral problems that parents observed in the children during a 2-week period.

VOA: special.2009.01.13

They say levels of a protein called Shh need to remain largely unchanged in a developing fetus for the palate to develop correctly.

VOA: special.2009.12.22

High levels of sulfur in diesel made from petroleum have meant diesel engines produce a strong smell.

VOA: special.2010.11.17