Never-smokers and the fraction of breast cancer attributable to second-hand smoke from parents during childhood: the Norwegian Women and Cancer Study 1991-2018.
Inger Torhild GramArne Bastian WiikEiliv LundIdlir LicajTonje BraatenPublished in: International journal of epidemiology (2021)
Our results suggest that 1 in 14 breast-cancer cases could have been avoided in the absence of SHS exposure from parents during childhood in a population of never-smoking women. The cancer burden attributable to SHS may be underestimated.