download the appSign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Between 1999 and 2020, 10.5% of study participants transitioned from "poor" diets to healthier diets with more fruits, vegetables, and whole grains and less sodium, processed meat, and saturated fat. We still have a long way to go," Mozaffarian told CNN. If I was grading America on its diet, I'd give it a D—just up from an F," Mozaffarian said. Typically, the American diet consists of ultra-processed foods and foods high in salt and sugar.

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Persons: —, Dariush Mozaffarian, Mozaffarian, Junxiu Liu, bode, Heidi Silver, Silver, Gregory Katz, Katz, Gabby Landsverk, W, Taylor Kimberly, Kimberly Organizations: Service, Food, Medicine Institute, Tufts University, Internal, Business, National Health, CNN, Vanderbilt, Vanderbilt University Medical, Yahoo, NYU Langone, Harvard Medical School Locations: Boston, Nashvil