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Eating more ultra-processed foods tied to increased risk of early-onset colorectal cancer
Harvard study links highest ultra-processed food intake to a 1.45-fold increased risk of early-onset colorectal polyps, independent of weight and diabetes factors.
- On Thursday, the Harvard-led Nurses' Health Study II reported that eating the most ultra-processed foods is tied to increased risk of early-onset colorectal cancer, suggesting lifestyle factors may explain younger cases in the United States.
- Colorectal cancer keeps rising among younger adults, with rates exceeding genetic explanations, and ultra-processed foods—ready-to-eat or ready-to-heat, high in sugar, salt, saturated fat and additives—are under scrutiny as a risk factor.
- In the 24-year Nurses' Health Study II cohort of almost 30,000 female participants, self-reported food questionnaires every four years found highest consumers had about 1.45-fold higher risk of colorectal polyps.
- Health-Care systems may be asked to promote symptom vigilance and consider lowering screening from age 50, while registered dietitians and Russell de Souza advise choosing fresh, whole foods.
- The association also aligns with modelling studies projecting young-onset colorectal cancer could double every 15 years in Canada, United States, Australia and United Kingdom, while links across heart, brain and gut diseases highlight broader risks.
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21 Articles
Colorectal cancer risk higher in those eating more ultra-processed foods as young adults, U.S. study finds
Eating a diet highest in ultra-processed foods is tied to an increased risk of early-onset colorectal cancer when compared with consuming such foods sparingly, a new U.S. study suggests, pointing to one potential reason for rising rates of the cancer in young adults.
·Canada
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Ultra-Processed Foods Linked To Diabetes Risk In Young Adults
·New York, United States
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Coverage Details
Total News Sources21
Leaning Left7Leaning Right0Center5Last UpdatedBias Distribution58% Left
Bias Distribution
- 58% of the sources lean Left
58% Left
L 58%
C 42%
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