- What are x-rays and gamma rays?
- How are people exposed to x-rays and gamma rays?
- Natural background radiation
- Medical radiation
- Non-medical sources of man-made radiation
- Do x-rays and gamma rays cause cancer?
- Do x-rays and gamma rays cause any other health problems?
- Can I avoid exposure to radiation from x-rays and gamma rays?
- Additional resources
More information from your American Cancer Society
The following related information may also be helpful to you. These materials may be read online or ordered from our toll-free number, at 1-800-227-2345.
Second Cancers in Adults
National organizations and Web sites*
In addition to the American Cancer Society, other sources of information and support include:
Environmental Protection Agency (EPA)
Understanding Radiation: www.epa.gov/radiation/understanding-radiation-overview.html
Food and Drug Administration (FDA)
Information about radiation emitting products (including imaging tests): www.fda.gov/Radiation-EmittingProducts/default.htm
Image Gently: The Alliance for Radiation Safety in Pediatric Imaging
Web site: www.pedrad.org/associations/5364/ig/
Information for parents: http://www.pedrad.org/associations/5364/ig/WhatcanIdoasa/Parent.aspx
National Cancer Institute (NCI)
Toll-free number: 1-800-422-6237 (1-800-4-CANCER)
Web site: www.cancer.gov
National Institute of Environmental Health Sciences
Web site: www.niehs.nih.gov
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 www.cancer.org.
Last Medical Review: 02/24/2015
Last Revised: 02/24/2015