What You Need to Know About the Groundbreaking New Breast Cancer Study

Researchers behind an unprecedented study that is expected to change the way we understand and treat breast cancer, which kills more than 35,000 U.S. women a year, are calling their findings "the breast-cancer equivalent of putting a man or woman on the moon." Here's how the study could affect you and your loved ones. »9/24/12 2:45pm9/24/12 2:45pm