Vegetarian diets and cancer risk: pooled analysis of 1.8 million women and men in nine prospective studies on three continents
Yashvee Dunneram; Jia Yi Lee; Cody Z. Watling; Izabella Lawson; Mahboubeh Parsaeian; Gary Fraser; Fayth M Butler; Dorairaj Prabhakaran · 2026 · British Journal of Cancer
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract
BACKGROUND: Vegetarian diets might influence cancer risk. METHODS: We studied 1,645,555 meat eaters, 57,016 poultry eaters, 42,910 pescatarians, 63,147 vegetarians and 8849 vegans in 9 cohorts (UK, US, Taiwan, India). After a median 16 years follow-up, incident cancers were: 4504 mouth and pharynx, 1308 oesophagus (squamous cell), 2105 oesophagus (adenocarcinoma), 3578 stomach, 30,528 colorectum, 2970 liver, 8030 pancreas, 3077 lung (never smokers), 61,368 breast, 11,220 endometrium, 8076 ovary, 45,946 prostate, 7193 kidney, 6869 bladder, 11,651 non-Hodgkin lymphoma, 4658 multiple myeloma and
Abstract by Yashvee Dunneram; Jia Yi Lee; Cody Z. Watling; Izabella Lawson; Mahboubeh Parsaeian; Gary Fraser; Fayth M Butler; Dorairaj Prabhakaran, British Journal of Cancer (2026) — licensed CC BY 4.0.
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Metadata source: OpenAlex · DOI 10.1038/s41416-025-03327-4