Babies are supposed to grow. But for the last eight of his 20 months of life, Enas Alwaheidi’s toddler son, Taim, has remained at the same weight: 9 kilograms, or just short of 20 pounds. “We don't have enough flour, so every day we make three pieces of bread,” Alwaheidi tells TIME from Sheikh Redwan near Gaza City. “My husband eats one, and I eat half so that my son can eat one and a half pieces throughout the day.” But their already meager food supply is dwindling. “Taim goes to sleep hungry,”