Cancer

Mario Lemieux
Mario Lemieux. Photo by Michael Miller – CC, CC BY-SA 3.0, Link

American Cancer Society

Cancer is the general name for a group of more than 100 diseases in which cells in a part of the body begin to grow out of control. Although there are many kinds of cancer, they all start because abnormal cells grow out of control. Untreated cancers can cause serious illness and even death.

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