Obesity and smoking are the two leading causes of preventable deaths. The International Agency for Research on Cancer and the Centers for Disease Control and Prevention reviewed over 1,000 studies, and have now linked the risk of developing 13 kinds of cancer to being overweight or obese.
https://www.theglobeandmail.com/life/health-and-fitness/health/cancers-related-to-excess-weight-on-the-rise/article36970354/
