Mayo Clinic Care Network Content
Articles

Cancer treatment myths: Any truth to these common beliefs?

Myth: If we can put a man on the moon, we should have cured cancer by now

Truth: Finding the cure for cancer is proving to be more complex than mastering the engineering and physics required for spaceflight.

Cancer actually includes a large group of diseases. Each person's cancer may have many different causes. Despite advances in diagnosis and treatment, doctors still have much to learn about what triggers a cell to become cancerous and why some people who have cancer do better than others.

In addition, cancer is a moving target. Cancer cells may continue to mutate and change during the course of the disease. This may lead to the cancer cells no longer responding to the chemotherapy drugs or radiation treatments that were given initially.