This interactive map reflects the results of research by New-York University that estimates the economic costs linked to childhood lead exposure in low- and middle-income countries. Information as average lead level, cost for countries and population at risk under the age of five are available for selected countries.Exposure to lead has a permanent negative impact on children's developing brains. One impact is a reduction in intelligence quotient (IQ), which can be correlated with decreases in lifetime earning potential. Lead exposure
