The American Cancer Society conducts educational programs and offers many services to people with cancer and to their families. Staff at the toll-free numbers have information about services and activities in local areas and can provide referrals to local ACS divisions.

The National Cancer Institute (NCI) is a U.S. government agency that provides up-to-date information about the prevention, detection, and treatment of cancer. NCI also offers supportive care to people with cancer and to their families. NCI information is also available to doctors, nurses, and other health professionals. NCI provides the latest information about clinical trials. The Cancer Information Service, a service of NCI, has trained staff members available to answer questions and send free publications. Spanish-speaking staff members are also available.

The National Center for Complementary and Alternative Medicine (NCCAM) at the National Institutes of Health (NIH) explores complementary and alternative healing practices in the context of rigorous science, trains complementary and alternative medicine researchers, and gives out authoritative information. Send all requests for information and questions about NCCAM to the NCCAM Clearinghouse.

The U.S. National Hospice and Palliative Care Organization (NHPCO) offers information on local hospice and palliative care programs across America. NHPCO is committed to improving end-of-life care and expanding access to hospice care with the goal of improving quality of life for dying people and their loved ones.

The U.S. National Institutes of Health fosters health protection and improvement for the general public. NIH provides access to medical information, current scientific research, publications and fact sheets, and many other resources.