At 14 months, Adut Duor should be walking. Instead, his spine juts through his skin and his legs dangle like sticks from his mother’s lap in a South Sudan hospital. At half the size of a healthy baby his age, he is unable to walk. Adut’s mother, Ayan, couldn’t breastfeed her fifth child, a struggle shared by the 1.1 million pregnant and lactating women who are malnourished in the east African country.