The health statistics in Nigeria make chilling reading. ­Malaria scythes its way through the population, hitting the most vulnerable hardest. UNICEF says it kills 250,000 children under the age of five each year, a scandal in a country where foreign-exchange reserves topped $60bn in 2008. Mortality levels are among the highest in the world, with life expectancy at 48 years. Preventable diseases find easy victims in Nigeria – and rapid urbanisation is creating fresh problems……more