 From 1967 to 1974 Rosling studied statistics and medicine at Uppsala University, and in 1972 he studied public health at St. John's Medical College, Bangalore, India.He became a licensed physician in 1976 and from 1979 to 1981 he served as District Medical Officer in Nacala in northern Mozambique.On 21 August 1981 Rosling began investigating an outbreak of konzo, a paralytic disease first described in the Democratic Republic of the Congo.