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Cancer Prevention
Governmental health agencies and research laboratories around the world have investigated soy's potential to reduce cancer risk, motivated by two initial observations:
- The numerous chemopreventative compounds in soy
- Low rates of certain cancers in soyfood-consuming countries
Rodent studies indicate that soy protein and isoflavones suppress development of chemically-induced prostate cancer.10 Other studies show soy protein and isoflavones may inhibit the growth of existing tumors. Epidemiologic evidence suggests that men who eat soyfoods daily are less likely to develop prostate cancer than those who don't. Preliminary research also indicates that soy protein and isoflavones may slow the rise of prostate specific antigen (PSA) levels in men diagnosed with prostate cancer.
For more on soy and men's health, including detailed scientific references, click here.