American Institute for Cancer Research (AICR) published 10 Recommendations in 2018. Dr Greger has a fascinating video that addresses questions like these: "What happens if we adopt 1 or 2 or 3 of the 10 guidelines by AICR? By how much do chances of breast cancer go down? Out of the 10 guidelines, which are the top-3 guidelines? What happens if we increase plant-food intake by x %? What happens if we decrease animal-based intake by y %?"
(2015) Which Dietary Factors Affect Breast Cancer Most?
(4 mins) Transcript. Dr Greger's summary: "American Institute for Cancer Research recommendation compliance associated not only with cancer prevention and survival but less heart and respiratory disease mortality and a longer lifespan."
(2013) Fiber vs Breast Cancer
(6 mins) Transcript. Dr Greger's summary: "Inadequate fiber intake appears to be a risk factor for breast cancer, which can explain why women eating plant-based diets may be at lower risk."