Final answer:
Dietary Reference Intakes (DRIs) are used to assess nutrient intakes of at-risk populations and determine recommended daily dietary allowances (RDAs) for different groups of people.
Step-by-step explanation:
One of the primary uses of Dietary Reference Intakes (DRIs) is to assess nutrient intakes of at-risk populations. DRIs provide quantitative advice to professionals about the amounts of nutrients or food components that are beneficial. They are used to determine the recommended daily dietary allowances (RDA) of various nutrients for different groups of people. These recommendations help health professionals and organizations develop evidence-based health policies and improve the health of individuals.