dr. valerie montgomery rice, dean of morehouse school of medicine. thanks for joining us. this is a time to talk about breast cancer, though we could talk about it all the time. my mom had breast cancer, this is something i think a lot as a son. when you think about family history, it's one of the first questions doctors like you always ask. how significant is family history? >> it's significant in the fact that if a woman has a positive family history, we tend to think of first degree, whether the mother or sister has breast cancer or was diagnosed. we want to ask them was she diagnosed before she was age 50? that gives us more about the risk. but then that means that as the woman, you have about two times the risk of being diagnosed with breast cancer. >> there's a lot of testing as far as genetic testing goes now. brca 1 and brca 2, breast cancer 1 gene and breast cancer 2 gene. how significant is it? who should get tested for this? and what do you do with that information? >> so the women that should get tested are women who have a history of breast cancer in their fam