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Welcome to the National Health and Nutrition Examination Survey (NHANES).

The National Center for Health Statistics, a part of the Centers for Disease Control and Prevention (CDC), is responsible for this survey—the National Health and Nutrition Examination Survey. This survey teaches us about the health and diet of people in the United States.

We contacted you by mail because your household has been selected for participation in the survey.  Thank you for agreeing to participate online.  The purpose of these questions is to help us determine if you or another member of your family will be asked to further participate in the survey. This will take about 20 minutes of your time. 

Let's begin!