Evidence-Based Nutrient Recommendations

Update: Vegan Diets and Cancer

by Jack Norris, Registered Dietitian

Buddha bowl with hummus, vegetable, salad, beans, couscous and avocado

In June, the Adventist Health Study‑2 released 7.9‑year follow‑up results on cancer incidence by diet group. I revised the VeganHealth page on vegan diets and cancer with a stronger focus on vegans and added a section on whole‑food plant‑based diets to slow cancer progression.

Here’s a quick summary:

Vegans appear to have ~20% lower cancer incidence than regular meat-eaters (i.e., not including pescatarians and flexitarians). No sufficiently large or long studies have assessed cancer mortality among vegans. Lower average body mass index (BMI) explains part of the reduction; other dietary factors likely contribute. Whole‑food plant‑based diets show some promise for slowing progression, but evidence is limited; the plant‑based component may matter more than the whole‑food component.

Read the full article: Vegan Diets and Cancer.

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