Suggested in long-term study using data from the Cancer Registry of Norway

Reported exposure to passive smoking in childhood and adulthood has been found to be associated with a 50-52% increased risk of developing lung cancer in both men and women, according to a long-term prospective cohort study published in the European Respiratory Journal.

To date, there have been a limited number of prospective studies on passive smoking in relation to lung cancer incidence and there is also a lack of longitudinal investigations into the influence of passive smoking on different histologic types of lung cancer.

The HUNT study aimed to evaluate the influences of passive smoking during childhood and adulthood on the development of lung cancer and histologic types in a long-term follow-up cohort, and to assess possible sex-related differences in the association.