[The Conversation Africa] Malnutrition is one of world's major public health and development concerns. In Nigeria, the situation is dire. Currently, UNICEF says 5 in 10 children under five years old suffer from the effects of being malnourished. This has an overarching impact on the lives, future and productivity of Nigerian children. Ogechi Ekeanyanwu, from The Conversation Africa, asked Blessing Akombi-Inyang, a maternal and child health expert, to explain the reasons for this high rate of malnutrition.