Trends in mean consumption of fruits (Panel A), vegetables (Panel B), grains (Panel C), and nuts/seeds, legumes and eggs (Panel D) among US adults, based on NHANES data from 1999 to 2012. All values energy-adjusted to 2000 kcal/d using the residual method. Serving sizes: fruits, vegetables, legumes: 1 cup; grains, nuts/seeds, eggs: 1-oz equivalents.