Talking to children about cancer, one more ordeal for sick parents. Kate Middleton spoke about the difficulty of breaking the news to her three children.

For parents, talking about cancer is an additional ordeal to go through. To protect them, some parents are tempted to hide the truth. “When there is an illness, you should never lie,” insists Fanny Cohen-Herlem, child psychiatrist, author of “In the face of death, how to answer children's questions”