Background Higher diet quality scores are associated with a lower risk for many chronic
diseases and all-cause mortality; however, it is unclear if diet quality is associated with aging
biology. Objective This study aimed to examine the association between diet quality and a
measure of biological aging known as epigenetic aging. Design A cross-sectional data
analysis was used to examine the association between three diet quality scores based on
self-reported food frequency questionnaire data and five measures of epigenetic aging …