Answer:
well it can cut off lymphatic fluid circulation, which can cause swollen lymphnodes, which can calcify and become cancerous at some point, so there is some indirect evidence but it's very unlikely
If your going to wear a bra it should be a soft cup. there is no scientific evidence that states it gives you breast cancer. Underwires are a no no for bed as they are uncomfortable.
yes
no they do not cause breast cancer, in fact women with big breast, women who just gave birth and women who are breast feeding they recomend wearing a bra 24/7. I do agree with the previous answer that you should wear a supporting soft cup bra as a underwire would be uncomfortable.
no that's crap,i cant Imogene why you would ware one to bed any way is it not uncomfortable?
what dosen't cause cancer these days?