In-depth

Lifestyle and home remedies

Exercise and chronic disease

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

Prevention

Asthma: Colds and flu

Symptoms

Shortness of breath

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

Tests and diagnosis

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.

Feb. 04, 2014

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