There is more than football going on at Notre Dame right now. In fact, researchers at the University are studying breast cancer and how it spreads. The hope is this could lead to new ways to fight the disease.
Half of the women in the U.S. have something called "dense breast tissue. Health experts say women may want to consider going beyond the normal mammogram. That's because it's hard for doctors to see abnormalities in women with dense breasts on a normal mammogram.