Environmental Lead Levels in African Cities <Anglais > Studies have shown that the body lead levels of modern humans are about 500 times higher than those
of pre-industrial times.
High Blood Lead Levels in the General Nigerian Population: Causes and Implications <Anglais > Isolated studies on assessment of occupational exposure in which unexposed individuals were used as
controls have largely been extrapolated to reflect levels in the general population. The
data from such studies indicate that levels in the general Nigerian population are at least
two to three fold levels found in countries that have either significantly reduced or totally
eliminated lead in gasoline.
