In-depth

Asthma: Colds and flu

Cough

An occasional cough is normal and healthy. A cough that persists for weeks signals an underlying problem.

Exercise and chronic disease

Curious about exercise and chronic disease? Get the answers to your questions.

Nitric oxide test

Nitric oxide test — Another tool to diagnose and monitor asthma in children and adults.

Peak flow meter

Do asthma flare-ups sneak up on you? Take charge by using a peak flow meter.

Shortness of breath

Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.

Feb. 04, 2014

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