You did not ask a question, so I am not sure what to say to you. Researchers have identified gene mutations in some women that may make them more likely to have breast cancer. Yes, there are some risk factors that can again make it more likely to have cancer, but it does not always occur in women who have risk factors. And, some women with no risk factors at all develop breast cancer. You are right, cancer is not contagious. But, I think the women who post here know all of this. Sorry, but I have a feeling that you are preaching to the choir.
"Go confidently into the direction of your dreams. Live the life you always imagined" Thoreau
Life is not measured by the number of breaths we take, but by the moments that take our breath away.