The Nigerian hypertension programme

The developing world is an economic entity arbitrarily characterised by a gross national product (GNP) of US $7910 per capita, and below. It is further categorised into low and middle-income economies with a GNP of US $635 as the dividing line. The bulk of low-income economies, often referred to as the Third World, are in sub-Saharan Africa, Asia and China, and are either impoverished by very limited resources both human and material, or with large populations. Nigeria is affected by both situations.