Cancer Risk and Prevention
There's no sure way to prevent cancer, but you can help reduce your risk by making healthy choices like eating right, staying active, and not smoking.
Learn about Cancer Causes
Find out what we know about the factors that can affect your cancer risk.
Learn about family cancer syndromes, genetic testing, and the complex links between genetics and cancer risk.
Having excess body weight can have far-reaching health consequences, including raising your risk for certain types of cancer. Learn more about the link between excess body weight and cancer here.
How to Lower Your Risk
More in Risk and Prevention
Exposure to certain high-energy sources of radiation is linked to a higher risk of getting certain cancers. Studies of lower-energy sources of radiation have not found a clear link to cancer.
Learn what is known about certain chemicals and their link to cancer. While some chemicals clearly cause cancer, others have no link to cancer, and some have been hard to study.
In the United States and other developed countries, a small portion of cancers are thought to be linked to infections. Learn more here.
Some types of tests and treatments may actually increase a person's risk of developing cancer. Get the facts about possible links between certain medical procedures and cancer.
