Are people with asthma at greater risk of getting lung cancer?

No: Asthma itself is not a risk factor for lung cancer.

Possibly: We don’t know the answer for sure. There is a suggestion that the risk is greater in non-smokers than in smokers. A large review revealed that lung cancer was 1.8 times more common in non-smokers with asthma than non-smokers who didn’t have asthma. A study looked at people overall in the u.S, including people who smoke – the risk was that people with asthma were 1.4 times more likely to get lung ca.