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Assessing Micronutrient Quality Across the Life Course: Findings from the National Health and Nutrition Examination Survey (NHANES)

Webinar

Assessing Micronutrient Quality Across the Life Course: Findings from the National Health and Nutrition Examination Survey (NHANES)

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This webinar was presented live on January 31, 2024.

Understanding how closely the dietary patterns of Americans align with Federal nutrient recommendations is important for promoting optimal health and reducing the risk of chronic disease. Diet quality indices are tools that evaluate this concept, but most indices only measure dietary intake from foods and beverages. Despite this, a significant proportion of U.S. adults and children use dietary supplements routinely, which contribute large amounts of nutrients to users and can help address nutrient gaps. National nutrition monitoring data shows that many Americans are unable to meet nutrient needs from the diet alone. For this reason, dietary intakes from all sources, including foods, beverages, and dietary supplements must be taken into consideration to accurately understand micronutrient exposures among Americans. Therefore, this webinar describes current intakes of micronutrients from all sources (foods, beverages, dietary supplements) and how dietary supplements contribute to total intakes among Americans. Additionally, this webinar also introduces a dietary quality metric that examines the quality of intakes from all sources, and lastly, highlights research demonstrating how micronutrient intakes of Americans align with Federal nutrition recommendations across the life course and where gaps in nutrient intakes may still exist.

CPE Level: 2
CPEU: 1.0 (valid until 1/31/2027)

Performance Indicators

  • 12.2.7 Utilizes applicable databases to analyze and assess variables associated with target populations.
  • 8.1.4 Integrates knowledge of macro- and micronutrients for digestion, absorption and metabolism throughout the lifespan in practice.
  • 8.1.5 Demonstrates knowledge of nutrient requirements throughout the lifespan, and their role in health promotion and disease prevention.

Learning Objectives

  • Describe total usual micronutrient exposures among the U.S. population and demonstrate the role of dietary supplements in meeting nutrient needs.
  • Introduce the Total Nutrient Index (TNI), a micronutrient-based diet quality index designed to assess adherence to the U.S. Dietary Reference Intakes.
  • Identify the micronutrient quality of total usual nutrient intakes, as assessed via the TNI, among the U.S. population by life stage.

Speaker

Dr. Alexandra E. Cowan-Pyle, PhD

Dr. Alexandra E. Cowan-Pyle, PhD joined the Institute for Advancing Health Through Agriculture (IHA) at Texas A&M AgriLife Research in June 2022 as a Postdoctoral Research Fellow with a specialization in Precision Nutrition. In her present role, her work focuses on identifying nutrients and food components systematically and scientifically to be reported by national dietary intake assessment, such as What We Eat in America, the dietary component of the National Health and Nutrition Examination Survey, to develop an evidence-based rationale and criteria for inclusion or exclusion.

Prior to her role at IHA, Dr. Cowan-Pyle received her M.S. and her Ph.D. in Nutrition Science from Purdue University and completed an Oak Ridge Institute for Science and Education fellowship at the Centers for Disease Control and Prevention National Center for Health Statistics, in the Division of NHANES. Her research is predominantly focused on assessing micronutrient exposures in relation to human health across the life course, improving quantitative methods of dietary assessment to optimize human health, and dietary supplement research. She is currently a member of the American Society of Nutrition and serves as an Editorial Board member of the Journal of the Academy of Nutrition and Dietetics.

Product Publish Details

Release Date: January 31, 2024

SKU: LORDPGAMQALC0124

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