Lung Cancer

Causes and Risk Factors

Try this 4 - question quiz to see how much you know about Lung Cancer: Causes and Risk Factors.

1. Lung cancer

That's correct. C is the correct answer.

Before cigarette smoking became popular after World War I, doctors rarely, if ever, saw patients with lung cancer. But today, lung cancer is the leading cause of death by cancer. Lung cancer can affect young and old alike, but it occurs most often between the ages of 55 and 65.