Importance The 2020 Dietary Guidelines Advisory Committee conducted a systematic
review of existing research on diet and health to inform the current Dietary Guidelines for
Americans. The committee answered this public health question: what is the association
between dietary patterns consumed and all-cause mortality (ACM)? Objective To ascertain
the association between dietary patterns consumed and ACM. Evidence Review Guided by
an analytical framework and predefined inclusion and exclusion criteria developed by the …