The airways narrow when they overreact to certain substances.

Bronchodilators work better on people who have inflamed, narrow airways.

It is hard to breathe through the narrow airways, so you feel short of breath.

During an asthma attack, the airways narrow, causing breathing problems, wheezing and coughing.

In my case, the problem was probably caused by a narrow airway, an oversized uvula, "high normal" weight and drinking alcohol before bed.

Sometimes genes are to blame; some people are just born with a flabby or narrow airway.

During an asthma attack, as airways narrow, a person has a growing sensation of impending suffocation.

These narrow airways can decrease the dogs' ability to exercise properly and increase their susceptibility to heat stroke.

But those particles eventually have trouble negotiating the increasingly narrow airways.

Wheeze, making a loud or soft whistling noise that occurs when the airways narrow.