To learn more

Other organizations and websites*

Along with the American Cancer Society, other sources of information and support include:

Food and Drug Administration
Toll free number: 1-888-463-6332 (1-888-INFO FDA)

National Cancer Institute
Toll free number: 1-800-422-6237 (1-800-4-CANCER)
TTY: 1-800-332-8615

    Has information on cancer, proven cancer treatments, living with cancer, and clinical trials of new drugs. This sub-site links directly to reliable information on complementary and alternative methods of cancer prevention and treatment:

National Institutes of Health – Clinical Trials Information

    Has information on clinical trials for cancer prevention and treatment, as well as clinical trials looking at other health conditions

*Inclusion on this list does not imply endorsement by the American Cancer Society.

No matter who you are, we can help. Contact us anytime, day or night, for information and support. Call us at 1-800-227-2345 or visit

The American Cancer Society medical and editorial content team

Our team is made up of doctors and oncology certified nurses with deep knowledge of cancer care as well as journalists, editors, and translators with extensive experience in medical writing.

Last Revised: May 21, 2015

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