Nutritional Biomarkers Branch
The Nutritional Biomarkers Branch (NBB) conducts research, develops methods, and analyzes essential nutrients (e.g., vitamins), nonessential nutrients (e.g., certain fatty acids), and bioactive dietary compounds (e.g., phytoestrogens and aflatoxin) that are responsible for changes in health status. For many of these essential nutrients and dietary compounds, the Branch produces population-based exposure levels segmented by age, sex, and race or ethnicity. This information is available in CDC's National Report on Selected Biochemical Indicators of Diet and Nutrition in the U.S. Population, the first national report to publish, in a single document, information about concentrations of 27 dietary and nutritional indicators found in the blood or urine of the U.S. population.
NBB is home to a total of 22 staff, including 1 physician, 9 people with Ph.D.s, 3 people with M.S. degrees, and 9 people with B.S. or other degrees.
Did You Know?
- The Nutritional Biomarkers Branch reports nearly 100,000 test results every year for a wide range of nutritional biomarkers measured in NHANES and other studies. In collaboration with CDC colleagues, NBB also plays an active role in reducing the worldwide burden of micronutrient deficiencies, such as deficiencies in iodine, iron, or vitamin A. Billions of people around the world are affected by micronutrient deficiencies that may cause birth defects, learning disabilities, mental retardation, reduced immunity, blindness, poor work capacity, or premature death. The laboratory provides training and technical assistance on questions about laboratory analysis and field logistics in preparation for national nutrition surveys in countries such as Argentina, the Dominican Republic, Iraq, Kenya, Laos, Malawi, Nicaragua, Oman, Papua New Guinea, South Africa, Ukraine, Uzbekistan, Yemen, and Zambia.
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