High stress levels have been found to cause asthma attacks that make it difficult to breathe.

VOA: special.2009.03.24

She says it is important to let jazz music breathe, and evolve in new ways.

VOA: special.2010.04.09

The treatments made it easier for him to breathe.

VOA: special.2009.07.28

It was very difficult for him to breathe.

VOA: special.2009.07.28

When a baby is put face down in a bed, it begins to re-breathe carbon dioxide, which is toxic.

VOA: standard.2010.02.08