Cancer

Learn how to help prevent foodborne illness in persons with cancer and other conditions where the immune system is weakened.

Learn about artificial sweeteners, their regulation, and relationship to cancer.

Get answers to your questions on complementary and alternative medicine and cancer. Also see Talking about Complementary and Alternative Medicine with Health Care Providers, a booklet for people who want to try additional methods to help them cope with side effects during cancer treatment, or to deal with stress and other discomforts.

 Learn common eating problems that can happen before, during, or after cancer treatment, and how to manage them. Also in PDF [Cancer.gov; PDF | 2.3 MB]  |6.6 MB .

Read about cancer prevention, diagnosis, treatment, statistics, research, clinical trials, and news, as well as links to other NCI websites. Nutrition Fact Sheets include:

• Diet
• Antioxidants and Cancer Prevention
• Vitamin D and Cancer Prevention

Find information, suggestions and resources to help with nutrition-related side effects of cancer and its treatments. Also in Spanish.

Learn about the relationship between obesity and risk for some cancers.

Read questions and answers about the background, history, and uses of Coenzyme Q10. 

Get the latest tips and science on how dietary supplements and other complimentary health approaches can help with managing cancer symptoms.

Get the latest news and research on alternative cancer therapies, including information on nutrition and supplements.

Find research and resources to help those living with cancer. Topics include including food safety, eating tips, and emotional support.

Read the final recommendation statement on Vitamin, Mineral, and Multivitamin Supplements for the Primary Prevention of Cardiovascular Disease and Cancer, issued by the U.S. Preventive Services Task Force. This statement applies to healthy adults who have no known nutritional deficiencies.