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Study: Eating ultra-processed foods linked to an increased risk of colorectal cancer

By Allison Aubrey
Published November 14, 2025 at 3:53 AM CST

A new study found that women who eat a lot of ultra-processed foods were 1.5 times more likely to develop pre-cancerous polyps before the age of 50, compared to those with healthier diets.

Copyright 2025 NPR
Allison Aubrey
Allison Aubrey is a correspondent for NPR News, where her stories can be heard on Morning Edition and All Things Considered. She's also a contributor to the PBS NewsHour and is one of the hosts of NPR's Life Kit.