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New Studies Highlight Risks of Food Preservatives Linked to Cancer and Diabetes

KVIA•Wednesday, January 7, 2026 at 11:30 PM•CNN Newsource

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Recent research from France has revealed alarming connections between common food preservatives and increased risks of several cancers and type 2 diabetes. The NutriNet-Santé study, which has tracked over 170,000 participants since 2009, found that certain preservatives, including sodium nitrite and potassium nitrate, are associated with significant increases in cancer risks. For instance, sodium nitrite was linked to a 32% rise in prostate cancer risk. Additionally, the study on type 2 diabetes indicated that many preservatives could nearly double the likelihood of developing the disease. These findings underscore the importance of consuming fresh, minimally processed foods and may prompt consumers to reconsider their dietary choices.

Key Details: • Sodium nitrite linked to a 32% increase in prostate cancer risk. • Potassium nitrate associated with a 22% higher risk of breast cancer. • Preservatives like sorbates and acetates also linked to increased cancer risks. • Study highlights the need for further research on the health impacts of food additives.

cancer health food-safety diabetes nutrition

People & Organizations

World Health OrganizationMathilde TouvierDavid KatzNutriNet-SantéNature Communications

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