Cancer Basics

Cancer Basics

Cancer, Cancer 101

Start in this section to get answers to some of the basic questions about cancer, such as what it is, what some of the common signs and symptoms are, and how many people it affects. Read...
What Causes Cancer

What Causes Cancer

Cancer, Cancer 101

Cancer is a complex group of diseases with many possible causes. In this section you can learn more about the known causes of cancer, including genetic factors; lifestyle factors such as tobacco use, diet, and physical activity; certain types of infections; and...