In-depth

Complications

Endocarditis

Lung cancer

Smoking increases your risk of lung cancer. Quit now and reduce your risk.

Symptoms

Runny nose

Runny nose: What's causing your sniffles?

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

Chest X-rays

CT scan

Spirometry

X-ray

May 24, 2013