Estimated Percentage of Cancer Deaths
Attributable to Established Risk Factors
Figure 7: Given that the majority of cancer deaths are due to preventable risks such as tobacco, obesity/energy
balance, alcohol consumption, and infectious agents, approximately 50% of all cancers and cancer deaths could
be prevented by modifying personal behaviors. See also, Behavioral Research, Energy Balance, Health Behaviors
Sidebars, and Infectious Agents, pp. 32, 36, 33, 34, respectively.