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High Ultraprocessed Food Intake Increases Women’s Bowel Cancer Risk

10/2/2025

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Summary

Story summary

A major Norwegian study finds high ultraprocessed food intake raises women's bowel cancer risk by 24%, and right-sided colon cancer by 58%.
The study tracked 77,100 women over 17 years, documenting 1,625 colorectal cancer cases.
Lifestyle factors, including poor diet and obesity, may drive early-onset cancers; hormonal changes, delayed pregnancies, and recommendations to eat whole foods and avoid ultraprocessed products.

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Story summary

A major Norwegian study finds high ultraprocessed food intake raises women's bowel cancer risk by 24%, and right-sided colon cancer by 58%.
The study tracked 77,100 women over 17 years, documenting 1,625 colorectal cancer cases.
Lifestyle factors, including poor diet and obesity, may drive early-onset cancers; hormonal changes, delayed pregnancies, and recommendations to eat whole foods and avoid ultraprocessed products.