Tobacco use is negatively associated with the risk of developing skin cancer, prostate cancer, multiple myeloma, endometrial carcinoma, or breast cancer (negatively associated with means less disease associated with)

Impact of tobacco smoking on the risk of developing 25 different cancers in the UK: a retrospective study of 422,010 patients followed for up to 30 years.

Jacob L, Freyn M, Kalder M et al (2018) Impact of tobacco smoking on the risk of developing 25 different cancers in the UK: a retrospective study of 422,010 patients followed for up to 30 years. Oncotarget 9:17420–17429 (they felt the need to state more than once this was not a pro-tobacco study but mine kinda is so I will include these findings)