The tutorials listed below are interactive health education resources from the National Institutes of Health. Using animated graphics, each tutorial explains a procedure or condition in easy-to-read language. You can also listen to the tutorial.

NOTE: These tutorials require a special Flash plug-in, version 4 or above. If you do not have Flash, you will be prompted to obtain a free download of the software before you start the tutorial. These sites are provided by the National Institutes of Health and are for patient educational purposes only. You are encouraged to seek physician advice for any questions or clarification of the information obtained on these sites.

Diseases and Conditions