Resources & support

Talk to someone

Free, confidential help from the National Cancer Institute, in English and Spanish.

• NCI Cancer Information Service — 1-800-4-CANCER

  Call 1-800-4-CANCER (1-800-422-6237), Monday–Friday 9 a.m.–9 p.m. ET, to speak with a trained information specialist about any cancer question.

• NCI LiveHelp online chat

  Chat online with an NCI information specialist, Monday–Friday 9 a.m.–9 p.m. ET.

• Email NCI

  Send your cancer question to [email protected].

• Información en español

  Recursos del Instituto Nacional del Cáncer en español, incluida la línea de ayuda.

Learn more from the source

• National Cancer Institute (cancer.gov)

  The primary source for all Cancer Explained content — comprehensive, evidence-based cancer information from the U.S. National Institutes of Health.

• NCI Dictionary of Cancer Terms

  Plain-language definitions of more than 9,000 cancer-related terms.

• NCI Publications

  Free NCI booklets and fact sheets for patients, families, and caregivers.

Find care and clinical trials

• NCI: Find a Clinical Trial

  Search NCI's database of cancer clinical trials. Always discuss trial participation with your healthcare team.

• NCI-Designated Cancer Centers

  Find NCI-designated cancer centers across the United States.

• ClinicalTrials.gov

  A wider registry of clinical studies run by the U.S. National Library of Medicine.

Quitting smoking

• NCI Smoking Quitline — 1-877-44U-QUIT

  Call 1-877-44U-QUIT (1-877-448-7848) to speak with a trained smoking-cessation counselor about preparing to quit and managing cravings.

• Smokefree.gov

  Free tools, tips, and support to help you quit smoking.