We are committed to making the Dietary Assessment Primer accessible to all users, regardless of special need. This Web site is designed to be compatible with screen readers and other assistive devices. However, this is an ongoing process, and it is possible that some users may encounter problems accessing some pages.

If you would like additional help accessing or understanding information on this site, or to receive a personalized response to your specific questions about cancer, we encourage US residents to contact the National Cancer Institute's Cancer Information Service.

For questions about our continuing efforts to make the information in this Dietary Assessment Primer accessible to all users, or to report an accessibility problem on any of our pages, please complete our contact form. If you have difficulty using the form, you may also e-mail