How Does Cancer Develop?

Nearly one out of every two Americans will be diagnosed with cancer in his or her lifetime, and worldwide, cancer incidence is predicted to increase from 12.8 million new cases in 2008 to 24 million cases in 2035. Recently, research into the growth of cancer has led to the development of better targeted cancer therapies and better strategies for prevention. Read below for more information about how cancer develops and what you can do to help prevent it.

This “Patient Education” tear sheet was produced in collaboration with the American Association for Cancer Research (

Patient Education: How Does Cancer Develop?