text:  It's also important for building a foundation of trust with women that are dedicating years of their life to be a part of this research. While 30 years is a long time, McCullough says it's necessary to be able to understand the whole spectrum of this population. We need to pinpoint the different factors of a 25-year-old's journey with cancer compared to a 60-year-old's. So by following over a long period of time