In-depth

Complications

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.

Tests and diagnosis

X-ray

May. 24, 2013

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