Bess L. Caswell, PhD (she/her/hers)

Research Nutritionist
USDA Agricultural Research Service

Bess Caswell is a Research Nutritionist in the Diet, Microbiome and Immunity research unit at the USDA Western Human Nutrition Research Center in Davis, California.

Poster(s):

• (P21-34-26) Food and Supplement Sources of Micronutrients Among U.S. Youths Aged 2–19 Years: NHANES 2021–2023
  Sunday, July 26, 2026

  9:30 AM - 10:30 AM ET

• (P27-16-26) Two Servings of Yogurt per Day Increase Lactic Acid Bacteria With No Change to Antimicrobial Resistance in the Gut Microbiome in Healthy Older Adults
  Sunday, July 26, 2026

  9:30 AM - 10:30 AM ET

• (P38-07-26) Estimating the Monosaccharide Content of Mixed Dishes Using the Novel Mixed Dish Estimation Tool
  Monday, July 27, 2026

  9:30 AM - 10:30 AM ET

• (P39-04-26) Effects of Two Servings of Yogurt per Day on Dietary Intake and Gastrointestinal Health of Healthy, Older US Adults
  Monday, July 27, 2026

  9:30 AM - 10:30 AM ET

• (P42-18-26) Protocol for Development and Validation of the Fermented Foods Intake Assessment Tool for Estimating 7-Day Intakes of Live Microbe-Containing Fermented Foods in US Adults
  Monday, July 27, 2026

  9:30 AM - 10:30 AM ET