Other risk factors are repeatedly putting stress on a joint or having an earlier injury.

VOA: special.2010.05.19

This causes great stress on the human body.

VOA: special.2010.07.27

In recent years, the spread of AIDS has put stress on an impoverished health system.

VOA: standard.2009.09.14

A second competition involved building a robot that could travel on uneven surfaces, move objects with unusual shapes and withstand physical stress.

VOA: special.2009.04.24

This week,we will tell about stress and its effects on human health.

VOA: special.2009.03.24

Matthew During's paper on how the mild stress of an enriched environment can change the production of hormones related to cancer growth is published in the journal "Cell."

VOA: standard.2010.07.14