The psychological trauma inflicted when children lose their parents, see their homes destroyed, or experience torture, is not easily alleviated, particularly when they have to remain in the stressful and unfamiliar environment of a refugee camp. Save the Children's staff see the signs of this in places like Syria and Gaza, from night terrors and bed wetting to children who refuse to speak.
Rachel works 22 hours a week in a pharmacy but after rent, bills and childcare she often has only £10 left for food and other household essentials for her and her two-year old son Luca. She skips her own meals to be able to give food to Luca, and is constantly worried about money. Rachel has been told she'd be better off on benefits, but she wants to work.
The greatest tragedy is surely for a mother to bury her child. But imagine the grief of passing on a deadly disease to your child - and being powerless to stop it? An estimated one million babies die every year from congenital syphilis - deaths that could be prevented by just a single shot of penicillin.
Two tragedies are unfolding in the horn of Africa. The first is the very visible one, the tragedy of families who've walked for weeks, their children growing weak with hunger, desperate for our help. Then there is the larger tragedy of a failing humanitarian system built around responding to emergencies, not preventing them.