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A grocery cart filled with ultra-processed foods, symbolizing the dominant dietary intake in the United States according to recent CDC findings.

Ultra-processed foods now make up over half of U.S. diets

More than half of all calories consumed by Americans aged one and older now come from ultra-processed foods, a dietary shift observed between August 2021 and August 2023, according to the CDC .

Ryan Patel·April 16, 2026