"Soy consumption has been associated with a reduced risk of prostate cancer" https://www.ncbi.nlm.nih.gov/pubmed/11303585
VS
Dairy products boost the amount of insulin-like growth factor (IGF-I) in the blood. In turn, IGF-I promotes cancer cell growth.
https://www.pcrm.org/health/health-topics/milk-and-prostate-cancer-the-evidence-mounts
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