VCU has to statistical consulting services to assist students and faculty with their research. Each service has policies regarding free and paid services and limitations on assistance with homework. For more details, see their respective pages.
Documentation and download landing page for a large ongoing telephone health survey system from the CDC, tracking health conditions and risk behaviors in the U.S. yearly since 1984, including data files going back to the 1980s and documentation of changes in the survey.
Even though the name suggests political science, ICPSR includes datasets from many different types of surveys, some of which address health. Use ICPSR to locate surveys with health-related questions and to download data.