In-depth

Lifestyle and home remedies

Exercise and chronic disease

Prevention

Allergy-proof your home

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.

Wheezing

Tests and diagnosis

Nitric oxide test

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

Peak flow meter

Spirometry

Feb. 04, 2014