Martínez Steele et al. 2017

Research paper

Martínez Steele E, Popkin BM, Swinburn B, Monteiro CA. The share of ultra-processed foods and the overall nutritional quality of diets in the US: evidence from a nationally representative cross-sectional study. Popul Health Metr. 2017;15:6.

Why we cite it

Provides nationally representative US population-level evidence that ultra-processed food consumption systematically displaces protein and degrades overall nutritional quality. Across quintiles of ultra-processed food intake, protein content drops monotonically from 17.9% to 13.1% of energy.

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