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last mo.

Oxford Study Finds Vegetarian Diets Linked to Lower Risk in Several Cancers, With Higher Esophageal Risk for Vegetarians and Colorectal Risk for Vegans

The findings are associations from observational cohorts, not proof of cause.

Eine Studie zeigt, dass Ernährung das Krebsrisiko beeinflussen kann.
Forscher haben die Krebsrisiken von Vegetariern, Veganern und Fleischessern verglichen

Overview

  • Researchers pooled data on about 1.8 million people across multiple cohorts followed for roughly 16 years, analyzing 17 cancer types in the British Journal of Cancer publication.
  • Compared with meat-eaters, vegetarians showed lower risks for pancreatic (−21%), prostate (−12%), breast (−9%), kidney (−28%) cancers and multiple myeloma (−31%).
  • Vegetarians had nearly double the risk of esophageal squamous cell carcinoma, and vegans had about a 40% higher risk of colorectal cancer than meat-eaters.
  • Pescatarians had lower risks for colorectal, breast and kidney cancers, and poultry-eaters had a reduced risk of prostate cancer, while many other cancers showed no significant dietary differences.
  • Authors adjusted for factors such as BMI and smoking and cautioned that changing diets and potential nutrient differences—like lower B vitamins or zinc in vegetarians and lower calcium in vegans—warrant further targeted research.