The world was shocked to hear the news that the Princess of Wales is being treated for cancer. In her video message, Catherine encouraged everyone facing the disease not to lose hope. Presenter James Reynolds, speaks to young women around the world who talk candidly about their diagnosis; how it has affected them, their families and their approach to the future, particularly when their news came as young adults. According to research from the World Health Organisation, one in five people will develop cancer in their lifetime. Two young mothers talk about the challenge of explaining a diagnosis of cancer to their children.