In several previous and the current round of evidence review, the Dietary Guidelines Advisory Committee turned to an evidence synthesis approach called “systematic review” to address the relationship between dietary patterns and cognitive outcomes. For these reviews, the DGAC crafts very specific questions that are addressed through a literature search, using the PICO (population, intervention, comparator, outcome) approach. In 2020, one of the DGAC questions was: “What is the relationship between dietary patterns consumed and neurocognitive health?” The query focused on the outcomes of cognitive decline, mild cognitive impairment, dementia, and Alzheimer’s disease.
This effort was supported by IAFNS Cognitive Health Committee