Skip to main content
Welcome to the new Video Library! While you will still have access to all the features you previously used, the new site has a modern look and upgraded technology to help us continue delivering a reliable service. Questions or feedback? Contact us

Christopher T Sempos PhD

Christopher T. Sempos, PhD, joined the Office of Dietary Supplements (ODS) at the NIH in July 2008, as Program Director for the ODS Population Studies Program. The Population Studies Program is involved in research on the risks and benefits of dietary supplements using representative population data such as the National Health and Nutrition Examination Survey (NHANES) and the National Health Interview Survey.

View more on Christopher Sempos.
Picture from Diet Heart and Nutritional Epidemiology. Lessons not Learned. video