Question

which statement best explains how soy might help prevent cancer?
it is rich in capsaicin that prevents careinogens from binding to dna.
it prevents cancer by lowering unhealthy levels of estrogen in the body.
it contains estrogen analogs, such as isoflavones, that may block angiogenesis.
it feeds healthy intestinal bacteria that help fight inflammation.
it is rich in polyphenols that may block the formation of nitrosamines in the stomach.

Explanation:

Soy contains estrogen analogs (isoflavones). Angiogenesis is the formation of new blood vessels. Tumors need new blood vessels to grow. Isoflavones in soy may block angiogenesis, thus potentially preventing cancer growth. Capsaicin is in chili peppers (not soy). Lowering estrogen (soy has estrogen - like compounds, not lowering estrogen). Feeding healthy bacteria (while gut health is important, not the main cancer - prevention mechanism attributed to soy's anti - cancer properties in this context). Blocking nitrosamine formation (more related to other compounds like vitamin C - rich foods).

Answer:

It contains estrogen analogs, such as isoflavones, that may block angiogenesis.