Soya and cancer

Soya and cancer

Isoflavone can act either like estrogen in the body, or it's opposite.

Isoflavone in soya either binds to the alpha estrogen receptor in the body, which stimulates a tumor's growth rate, or it binds to the beta receptor, which decreases growth rate and induces apoptosis.

The impact of soya on breast cancer risk may depend on when we start eating it. Introducing soya after middle-age doesn't seem to reduce the risk or growth rate of tumors, but introducing soya before puberty appears to have a greater effect on reducing tumors.

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