A major fraction of lung cancer is attributable to smoking-A 2020 study in Norway shows!

More than 8 in 10 lung cancer cases could have been avoided in Norway, if the women did not smoke.

A study published on August 2020 in Norway highlighted that 1507 cases of lung cancer during more than 2.3 million person-years of observation, we ascertained 1507 lung cancer cases.

The assessment was performed with the association between active and passive smoking and lung cancer risk and the population attributable fraction (PAF) of lung cancer due to active smoking, in the Norwegian Women and Cancer Study, a nationally representative prospective cohort study (NOWAC).

Compared with never smokers, current smokers had significantly increased risk of lung cancer. Female never smokers exposed to passive smoking had a 1.3-fold (non- significant) increased risk of lung cancer, compared with never smokers. 

Read the article on British Journal of Cancer