We found that women who smoke may have significantly increase risk of dying from breast cancer when compared with never smoker (Bjerkaas et al 2014).
We found that smoking seems associated with increased colorectal cancer mortality in both sexes. The risk of rectal and proximal colon cancer mortality was most pronounced among male and female smokers respectively (Parajuly et al 2014a).
We found that smoking seems to increase the risk of rectal cancer incidence to the same extent in women as in men (Parajuly et al 2014b).
We found that smoking initiation before the first childbirth seems to increase the risk of breast cancer (Bjerkaas et al 2013).
In this study, we found that women who smoke maybe more vulnerable to colon cancer than men (Parajuly et al 2013).