The Inter-University Consortium for Political and Social Research (ICPSR) maintains a vast archive of social science data, including key datasets in public health.
The following webinar provides an orientation to the website and services of the ICPSR. Covered topics include the types of downloadable files available (at 11:45), resources for instructors (at 28:14), searching for data (at 35:02), and accessing restricted-use data (39:15).
Additional videos are available on the ICPSR YouTube Channel.