According to recently published research, annual mammogram screenings for women aged 40 through 59 lead to more diagnoses of breast cancer, but the screenings do not reduce breast cancer deaths. The research tracked nearly 90,000 women for 25 years. The study adds to the debate already underway over the benefits of yearly mammograms. Some say routine screening is leading to unnecessary call-backs, biopsies and even in some cases, unneeded cancer treatments. Diane and her guests discuss the value of annual mammograms.