“An estimated one third to one half of cancers could be prevented by healthy lifestyle choices: eliminating tobacco use, maintaining a healthy body mass index (BMI), moderating alcohol consumption, and maintaining an active lifestyle.”

Arem, Hannah, & Loftfield, Erikka. (2018). Cancer Epidemiology: A Survey of Modifiable Risk Factors for Prevention and Survivorship. American Journal of Lifestyle Medicine., 12(3), 200-210.