• Smoking increases rectal cancer risk to the same extent in women as in men: results from a Norwegian cohort study 

      Parajuli, Ranjan; Bjerkaas, Eivind; Aage, Tverdal; Le Marchand, Loïc; Weiderpass, Elisabete; Gram, Inger Torhild (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-05-06)
      Background: Smoking has recently been established as a risk factor for rectal cancer. We examined whether the smoking-related increase in rectal cancer differed by gender. Methods: We followed 602,242 participants (49% men), aged 19 to 67 years at enrollment from four Norwegian health surveys carried out between 1972 and 2003, by linkage to Norwegian national registries through December 2007. ...