Lung cancer: Symptoms include hemoptysis

The health agency adds: “You may be asked to have a blood test taken to rule out some of the possible causes of your symptoms, such as a breast infection.”

Am I in danger?

Most cases of lung cancer are caused by smoking, although people who have never smoked can also develop the condition.

In fact, “up to a quarter of lung cancers are diagnosed in people who have never smoked,” the BMJ article states.

Occupational exposure and pollution are a lesser known but potentially significant risk factor.

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