Vegetarians have a lower risk than meat-eaters of developing at least five cancers, according to the largest study on the potential impact of diet on the development of the disease.
Scientists found vegetarians had less chance than omnivores of suffering pancreatic, breast, prostate, kidney and multiple myeloma blood cancers, although they showed a higher incidence of a main oesophageal malignant tumour.
The work does not prove causation but adds support to the idea that avoiding meat may help cut the likelihood of some cancers. It also poses questions about potential hazards to vegetarians and vegans from nutrient deficiencies.
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