Mister Chavez often went for long periods without food to protest the conditions under which the farm workers were forced to do their jobs.

VOA: special.2009.09.06

Often the mother had to be treated in a hospital for long periods of time.

VOA: special.2009.12.06

Another quality that people often look for is the ability to resist dry periods.

VOA: special.2009.02.03

Astronauts worked for longer periods of time in the hostile environment of space.

VOA: special.2009.07.01

And to prepare himself, he went without sleep for long periods of time.

VOA: special.2009.03.18

More recent research suggested that those gains are the same whether you exercise for short periods over five days or longer sessions over two or three days.

VOA: special.2010.06.08

He says even if people have a healthy body weight, sitting for long periods of time still has an unhealthy influence on blood sugar and blood fats.

VOA: special.2010.01.13

People suffer seizures and thinking problems, and they sleep for extended periods.

VOA: special.2010.04.07

She slept at her desk for short periods during the day.

VOA: special.2009.07.26

But,he says those arriving in Greece outstrip these efforts, so children remain in detention for long periods.

VOA: standard.2009.08.29

We're seeing a lot of competition for resources, which is inevitable in periods of scarcity.

VOA: standard.2010.07.15

But Ritz, who has both undergone and conducted SERE training, says there is a great degree of difference between training and actual interrogations, where harsh techniques may be combined and carried out for longer periods.

VOA: standard.2009.04.17

The interrogators were told they could put them in painful standing positions, deprive them of solid food, keep them awake for extended periods of time, lock them in cold rooms, and submit them to the technique of simulated drowning known as waterboarding.

VOA: standard.2009.04.17