About Cancer

Cancer isn’t a single disease. The word “cancer” denotes a large collection of diseases all characterized by the uncontrolled proliferation of cells. Get an introduction to the science of cancer.

Learn about the cycle of cancer research and the different types of cancer science, including basic, translational, clinical, and population research.

Explore detailed information on the collection diseases we call cancer, including prevention, screening, and treatment options.

In the United States, one in four new cancer cases each year and nearly half of all cancer deaths are related to preventable causes. Learn about cancer risk reduction.

Many complex factors contribute to cancer health disparities. The AACR advances research efforts to understand and address cancer health inequities.

The report highlights the many research-driven advances made against cancer and emphasizes that despite tremendous progress these diseases continue to pose enormous public health challenges.