What: Testosterone, Estrogen, etc tend to increase cell proliferation in hormone sensitive tissues eg( breast, uterus, testes, prostate, etc ). Whilst this in itself does not cause cancer, if one's DNA gets a mutation in certain sections of it eg( from exposure to certain toxic substances called mutagens, randomly through from aging and genetic degradation ), then that mutation can mess up the bodys ability to switch the breaks on cell proliferation. The addition of something that increases cell proliferation is like putting your foot on the accelerator, when you have no breaks.

Writer: Joshua

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Date: Apr 29 2013 5:04 PM