 His work with Julie Cliff, Johannes Mårtensson, Per Lundqvist, and Bo Sörbo found that outbreaks occur among hunger-stricken rural populations in Africa where a diet dominated by insufficiently processed cassava results in simultaneous malnutrition and high dietary cyanide intake.Rosling's research also concerned other links between economic development, agriculture, poverty and health.He was a health adviser to WHO, UNICEF and several aid agencies.