StudyUS
Ultra-processed food was linked to kidney disease in older adults
A Sept 2, 2026 CJASN study of 2,661 adults aged 65 or older found an association between ultra-processed food intake and chronic kidney disease.
Published · 1 source
The observational Cardiovascular Health Study followed 2,661 adults aged 65 or older, according to the researchers.1
Over 6.8 years (median), researchers found 26% higher chronic kidney disease risk for total ultra-processed food and 37% for animal-sourced: highest versus lowest thirds.1
The study also found a modest association between plant-sourced ultra-processed food intake and chronic kidney disease.1
Researchers found that higher minimally processed food intake was associated with 20% lower risk of chronic kidney disease.1
The researchers classified ultra-processed food intake using the Nova framework and food questionnaires from 1989-1990 and 1995-1996.1
The researchers found no association with eGFR change, alongside the study's findings on chronic kidney disease.1
Sources
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“After a median 6.8 years follow-up and adjusting for demographics and health behaviors, those in the highest tertiles of total and animal-sourced UPF intake had 26% and 37% higher risk of incident CKD compared to the lowest tertile”
pubmed.ncbi.nlm.nih.gov
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