Joan Lunden’s award-winning journalism career was based on asking important questions and gathering critical information. So the former Good Morning America host admits that she was taken by surprise when her own battle with breast cancer highlighted how much she didn’t know as she began her journey to fight the disease. But that information gap began to narrow nearly as quickly as it was noticed when Lunden dove in to the problem and began collecting the resources and answers that would help her and others navigate the often-rocky and confusing road many breast cancer patients face.