Oct 11, 2021 · Explanations about what cancer is, how cancer cells differ from normal cells, and genetic changes that cause cancer to grow and spread.

Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [2][7] These contrast with benign tumors, which do not spread. [7] Possible …

Learn about cancer at the American Cancer Society. Find information for specific cancer types: breast, colon, lung, prostate, skin, and more.

Learn how to lower your cancer risk and what CDC is doing to prevent and control cancer.

Dec 11, 2025 · Cancer is a disease characterized by the uncontrolled multiplication of abnormal cells in the body. There are numerous types of cancers, with certain types being major causes of sickness …

Feb 3, 2025 · Key facts Cancer is a leading cause of death worldwide, accounting for nearly 10 million deaths in 2020, or nearly one in six deaths. The most common cancers are breast, lung, colon and …

Nov 19, 2024 · Find out the basics about cancer, including symptoms, causes and treatments. Learn steps you can take to prevent cancer.

Read about cancer symptoms, causes, treatment, stages, prognosis, diagnosis, types, and prevention. Learn what cancer is and what causes it. Inform yourself about the role viruses play in contributing to …

Mar 19, 2025 · Cancer can start almost anywhere in your body. Most cancers are named for where they start. For example, lung cancer starts in the lung, and breast cancer starts in the breast. Cancer may …

Start here for information on common types of cancer, including breast, lung, colon, skin, prostate, and ovarian cancer. Get the facts on cancer symptoms, treatments, and recovery.